Finding the Fourth Proportional to 224.73, 337.09 and 87.80
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Solution
The fourth proportional to 224.73, 337.09 and 87.80 is: 131.70
Step by Step Solution
- Step 1: Write the proportion equation
224.73 : 337.09 = 87.80 : x - Step 2: Convert to fraction form
224.73/337.09 = 87.80/x - Step 3: Cross multiply
224.73x = 337.09 × 87.80 - Step 4: Simplify right side
224.73x = 29,597.13 - Step 5: Solve for x
x = 29,597.13/224.73 - Step 6: Final answer
x = 131.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.