Answer :
Final answer:
To find the number that 221 is 65% of, set up a proportion and solve for x. The answer is 340.
Explanation:
To find the number that 221 is 65% of, you can set up a proportion. Let x be the number you are trying to find. The proportion can be written as: 221/x = 65/100. Cross multiplying, we get: 65x = 22100. Divide both sides by 65 to isolate x, so x = 22100/65 = 340.
Learn more about Finding the unknown number in a proportion here:
https://brainly.com/question/29621397
