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Finding the Fourth Proportional to 634.91, 950.67 and 542.57

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Solution

The fourth proportional to 634.91, 950.67 and 542.57 is: 812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.91 : 950.67 = 542.57 : x
  2. Step 2: Convert to fraction form
    634.91/950.67 = 542.57/x
  3. Step 3: Cross multiply
    634.91x = 950.67 × 542.57
  4. Step 4: Simplify right side
    634.91x = 515,800.27
  5. Step 5: Solve for x
    x = 515,800.27/634.91
  6. Step 6: Final answer
    x = 812.41

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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.