Finding the Fourth Proportional to 201.59, 302.33 and 79.80
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Solution
The fourth proportional to 201.59, 302.33 and 79.80 is: 119.68
Step by Step Solution
- Step 1: Write the proportion equation
201.59 : 302.33 = 79.80 : x - Step 2: Convert to fraction form
201.59/302.33 = 79.80/x - Step 3: Cross multiply
201.59x = 302.33 × 79.80 - Step 4: Simplify right side
201.59x = 24,126.13 - Step 5: Solve for x
x = 24,126.13/201.59 - Step 6: Final answer
x = 119.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.