Finding the Fourth Proportional to 337.89, 506.88 and 155.31
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Solution
The fourth proportional to 337.89, 506.88 and 155.31 is: 232.99
Step by Step Solution
- Step 1: Write the proportion equation
337.89 : 506.88 = 155.31 : x - Step 2: Convert to fraction form
337.89/506.88 = 155.31/x - Step 3: Cross multiply
337.89x = 506.88 × 155.31 - Step 4: Simplify right side
337.89x = 78,723.53 - Step 5: Solve for x
x = 78,723.53/337.89 - Step 6: Final answer
x = 232.99
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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.