Finding the Fourth Proportional to 547.14, 755.26 and 382.26
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Solution
The fourth proportional to 547.14, 755.26 and 382.26 is: 527.66
Step by Step Solution
- Step 1: Write the proportion equation
547.14 : 755.26 = 382.26 : x - Step 2: Convert to fraction form
547.14/755.26 = 382.26/x - Step 3: Cross multiply
547.14x = 755.26 × 382.26 - Step 4: Simplify right side
547.14x = 288,705.69 - Step 5: Solve for x
x = 288,705.69/547.14 - Step 6: Final answer
x = 527.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.