Finding the Fourth Proportional to 337.20, 505.74 and 93.68
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Solution
The fourth proportional to 337.20, 505.74 and 93.68 is: 140.50
Step by Step Solution
- Step 1: Write the proportion equation
337.20 : 505.74 = 93.68 : x - Step 2: Convert to fraction form
337.20/505.74 = 93.68/x - Step 3: Cross multiply
337.20x = 505.74 × 93.68 - Step 4: Simplify right side
337.20x = 47,375.19 - Step 5: Solve for x
x = 47,375.19/337.20 - Step 6: Final answer
x = 140.50
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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.