Let's say you want to find the ratio of 3 to 4. You'd simply divide 3 by 4, which gives you 0.75. But, what if you want to express this ratio as a fraction? Well, in that case, you'd write it as 3:4 or 3/4. See how easy that is?
Now, imagine you're a music producer, and you want to create a sweet beat with a specific rhythm. You'd use ratios to determine the timing and frequency of the notes, which is pretty cool if you ask me. For example, you could use a ratio of 3:4 to create a waltz rhythm, or a ratio of 4:4 to create a rock beat.
Ratios are also used in science to describe the proportions of different substances in a mixture. For instance, if you're mixing a cocktail, you might use a ratio of 2:1:1 for gin, vermouth, and lime juice. It's all about finding the perfect balance, right?
How Do You Calculate Ratio Between Two Numbers at Malinda Nugent blog