Finding the Fourth Proportional to 437.67, 657.19 and 418.19
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Solution
The fourth proportional to 437.67, 657.19 and 418.19 is: 627.94
Step by Step Solution
- Step 1: Write the proportion equation
437.67 : 657.19 = 418.19 : x - Step 2: Convert to fraction form
437.67/657.19 = 418.19/x - Step 3: Cross multiply
437.67x = 657.19 × 418.19 - Step 4: Simplify right side
437.67x = 274,830.97 - Step 5: Solve for x
x = 274,830.97/437.67 - Step 6: Final answer
x = 627.94
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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.