Finding the Fourth Proportional to 437.13, 655.93 and 163.18
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Solution
The fourth proportional to 437.13, 655.93 and 163.18 is: 244.86
Step by Step Solution
- Step 1: Write the proportion equation
437.13 : 655.93 = 163.18 : x - Step 2: Convert to fraction form
437.13/655.93 = 163.18/x - Step 3: Cross multiply
437.13x = 655.93 × 163.18 - Step 4: Simplify right side
437.13x = 107,035.68 - Step 5: Solve for x
x = 107,035.68/437.13 - Step 6: Final answer
x = 244.86
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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.