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Finding the Fourth Proportional to 633.92, 951.35 and 480.04

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Solution

The fourth proportional to 633.92, 951.35 and 480.04 is: 720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.92 : 951.35 = 480.04 : x
  2. Step 2: Convert to fraction form
    633.92/951.35 = 480.04/x
  3. Step 3: Cross multiply
    633.92x = 951.35 × 480.04
  4. Step 4: Simplify right side
    633.92x = 456,686.05
  5. Step 5: Solve for x
    x = 456,686.05/633.92
  6. Step 6: Final answer
    x = 720.42

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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.