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Finding the Fourth Proportional to 534.22, 801.25 and 168.96

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Solution

The fourth proportional to 534.22, 801.25 and 168.96 is: 253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.22 : 801.25 = 168.96 : x
  2. Step 2: Convert to fraction form
    534.22/801.25 = 168.96/x
  3. Step 3: Cross multiply
    534.22x = 801.25 × 168.96
  4. Step 4: Simplify right side
    534.22x = 135,380.00
  5. Step 5: Solve for x
    x = 135,380.00/534.22
  6. Step 6: Final answer
    x = 253.42

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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.