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Finding the Fourth Proportional to 534.04, 800.76 and 168.92

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Solution

The fourth proportional to 534.04, 800.76 and 168.92 is: 253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.04 : 800.76 = 168.92 : x
  2. Step 2: Convert to fraction form
    534.04/800.76 = 168.92/x
  3. Step 3: Cross multiply
    534.04x = 800.76 × 168.92
  4. Step 4: Simplify right side
    534.04x = 135,264.38
  5. Step 5: Solve for x
    x = 135,264.38/534.04
  6. Step 6: Final answer
    x = 253.29

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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.