Finding the Fourth Proportional to 618.06, 927.08 and 344.69
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Solution
The fourth proportional to 618.06, 927.08 and 344.69 is: 517.02
Step by Step Solution
- Step 1: Write the proportion equation
618.06 : 927.08 = 344.69 : x - Step 2: Convert to fraction form
618.06/927.08 = 344.69/x - Step 3: Cross multiply
618.06x = 927.08 × 344.69 - Step 4: Simplify right side
618.06x = 319,553.62 - Step 5: Solve for x
x = 319,553.62/618.06 - Step 6: Final answer
x = 517.02
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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.