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Finding the Fourth Proportional to 634.52, 951.19 and 223.43

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Solution

The fourth proportional to 634.52, 951.19 and 223.43 is: 334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.52 : 951.19 = 223.43 : x
  2. Step 2: Convert to fraction form
    634.52/951.19 = 223.43/x
  3. Step 3: Cross multiply
    634.52x = 951.19 × 223.43
  4. Step 4: Simplify right side
    634.52x = 212,524.38
  5. Step 5: Solve for x
    x = 212,524.38/634.52
  6. Step 6: Final answer
    x = 334.94

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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.