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Finding the Fourth Proportional to 179.01, 268.52 and 82.85

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Solution

The fourth proportional to 179.01, 268.52 and 82.85 is: 124.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.01 : 268.52 = 82.85 : x
  2. Step 2: Convert to fraction form
    179.01/268.52 = 82.85/x
  3. Step 3: Cross multiply
    179.01x = 268.52 × 82.85
  4. Step 4: Simplify right side
    179.01x = 22,245.13
  5. Step 5: Solve for x
    x = 22,245.13/179.01
  6. Step 6: Final answer
    x = 124.27

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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.