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Finding the Fourth Proportional to 633.93, 951.95 and 624.21

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Solution

The fourth proportional to 633.93, 951.95 and 624.21 is: 937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.93 : 951.95 = 624.21 : x
  2. Step 2: Convert to fraction form
    633.93/951.95 = 624.21/x
  3. Step 3: Cross multiply
    633.93x = 951.95 × 624.21
  4. Step 4: Simplify right side
    633.93x = 594,214.70
  5. Step 5: Solve for x
    x = 594,214.70/633.93
  6. Step 6: Final answer
    x = 937.36

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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.