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Finding the Fourth Proportional to 532.70, 793.94 and 531.88

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Solution

The fourth proportional to 532.70, 793.94 and 531.88 is: 792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.70 : 793.94 = 531.88 : x
  2. Step 2: Convert to fraction form
    532.70/793.94 = 531.88/x
  3. Step 3: Cross multiply
    532.70x = 793.94 × 531.88
  4. Step 4: Simplify right side
    532.70x = 422,280.81
  5. Step 5: Solve for x
    x = 422,280.81/532.70
  6. Step 6: Final answer
    x = 792.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.