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Finding the Fourth Proportional to 616.38, 851.04 and 441.96

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Solution

The fourth proportional to 616.38, 851.04 and 441.96 is: 610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.38 : 851.04 = 441.96 : x
  2. Step 2: Convert to fraction form
    616.38/851.04 = 441.96/x
  3. Step 3: Cross multiply
    616.38x = 851.04 × 441.96
  4. Step 4: Simplify right side
    616.38x = 376,125.64
  5. Step 5: Solve for x
    x = 376,125.64/616.38
  6. Step 6: Final answer
    x = 610.22

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Double scale
Find fourth proportional to 617.38, 852.42 and 442.96
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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.