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Finding the Fourth Proportional to 634.28, 951.50 and 201.28

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Solution

The fourth proportional to 634.28, 951.50 and 201.28 is: 301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.28 : 951.50 = 201.28 : x
  2. Step 2: Convert to fraction form
    634.28/951.50 = 201.28/x
  3. Step 3: Cross multiply
    634.28x = 951.50 × 201.28
  4. Step 4: Simplify right side
    634.28x = 191,517.92
  5. Step 5: Solve for x
    x = 191,517.92/634.28
  6. Step 6: Final answer
    x = 301.95

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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.