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Finding the Fourth Proportional to 534.67, 800.94 and 425.17

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Solution

The fourth proportional to 534.67, 800.94 and 425.17 is: 636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.67 : 800.94 = 425.17 : x
  2. Step 2: Convert to fraction form
    534.67/800.94 = 425.17/x
  3. Step 3: Cross multiply
    534.67x = 800.94 × 425.17
  4. Step 4: Simplify right side
    534.67x = 340,535.66
  5. Step 5: Solve for x
    x = 340,535.66/534.67
  6. Step 6: Final answer
    x = 636.91

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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.