$250 is 33 1/3% of what number?

1/3 x = 250

x = 750

To find the number, we can set up a proportion. Since $250 is equal to 33 1/3% (or 1/3) of the number:

250 / x = 1/3

Cross-multiplying, we get:

250 = x/3

To isolate x, we multiply both sides of the equation by 3:

750 = x

So, $250 is 33 1/3% of the number 750.