Finding the Fourth Proportional to 437.44, 655.58 and 163.26
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Solution
The fourth proportional to 437.44, 655.58 and 163.26 is: 244.67
Step by Step Solution
- Step 1: Write the proportion equation
437.44 : 655.58 = 163.26 : x - Step 2: Convert to fraction form
437.44/655.58 = 163.26/x - Step 3: Cross multiply
437.44x = 655.58 × 163.26 - Step 4: Simplify right side
437.44x = 107,029.99 - Step 5: Solve for x
x = 107,029.99/437.44 - Step 6: Final answer
x = 244.67
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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.