Finding the Fourth Proportional to 437.49, 655.71 and 163.26
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Solution
The fourth proportional to 437.49, 655.71 and 163.26 is: 244.69
Step by Step Solution
- Step 1: Write the proportion equation
437.49 : 655.71 = 163.26 : x - Step 2: Convert to fraction form
437.49/655.71 = 163.26/x - Step 3: Cross multiply
437.49x = 655.71 × 163.26 - Step 4: Simplify right side
437.49x = 107,051.21 - Step 5: Solve for x
x = 107,051.21/437.49 - Step 6: Final answer
x = 244.69
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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.