Finding the Fourth Proportional to 437.70, 655.74 and 364.80
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Solution
The fourth proportional to 437.70, 655.74 and 364.80 is: 546.52
Step by Step Solution
- Step 1: Write the proportion equation
437.70 : 655.74 = 364.80 : x - Step 2: Convert to fraction form
437.70/655.74 = 364.80/x - Step 3: Cross multiply
437.70x = 655.74 × 364.80 - Step 4: Simplify right side
437.70x = 239,213.95 - Step 5: Solve for x
x = 239,213.95/437.70 - Step 6: Final answer
x = 546.52
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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.