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Finding the Fourth Proportional to 534.12, 800.67 and 168.83

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Solution

The fourth proportional to 534.12, 800.67 and 168.83 is: 253.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.12 : 800.67 = 168.83 : x
  2. Step 2: Convert to fraction form
    534.12/800.67 = 168.83/x
  3. Step 3: Cross multiply
    534.12x = 800.67 × 168.83
  4. Step 4: Simplify right side
    534.12x = 135,173.11
  5. Step 5: Solve for x
    x = 135,173.11/534.12
  6. Step 6: Final answer
    x = 253.08

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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.