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Finding the Fourth Proportional to 534.10, 801.24 and 168.94

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Solution

The fourth proportional to 534.10, 801.24 and 168.94 is: 253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.10 : 801.24 = 168.94 : x
  2. Step 2: Convert to fraction form
    534.10/801.24 = 168.94/x
  3. Step 3: Cross multiply
    534.10x = 801.24 × 168.94
  4. Step 4: Simplify right side
    534.10x = 135,361.49
  5. Step 5: Solve for x
    x = 135,361.49/534.10
  6. Step 6: Final answer
    x = 253.44

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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.