Finding the Fourth Proportional to 437.29, 655.73 and 163.31
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Solution
The fourth proportional to 437.29, 655.73 and 163.31 is: 244.88
Step by Step Solution
- Step 1: Write the proportion equation
437.29 : 655.73 = 163.31 : x - Step 2: Convert to fraction form
437.29/655.73 = 163.31/x - Step 3: Cross multiply
437.29x = 655.73 × 163.31 - Step 4: Simplify right side
437.29x = 107,083.99 - Step 5: Solve for x
x = 107,083.99/437.29 - Step 6: Final answer
x = 244.88
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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.