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Finding the Fourth Proportional to 635.08, 951.02 and 439.62

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Solution

The fourth proportional to 635.08, 951.02 and 439.62 is: 658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.08 : 951.02 = 439.62 : x
  2. Step 2: Convert to fraction form
    635.08/951.02 = 439.62/x
  3. Step 3: Cross multiply
    635.08x = 951.02 × 439.62
  4. Step 4: Simplify right side
    635.08x = 418,087.41
  5. Step 5: Solve for x
    x = 418,087.41/635.08
  6. Step 6: Final answer
    x = 658.32

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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.