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Finding the Fourth Proportional to 179.62, 249.04 and 169.90

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Solution

The fourth proportional to 179.62, 249.04 and 169.90 is: 235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.62 : 249.04 = 169.90 : x
  2. Step 2: Convert to fraction form
    179.62/249.04 = 169.90/x
  3. Step 3: Cross multiply
    179.62x = 249.04 × 169.90
  4. Step 4: Simplify right side
    179.62x = 42,311.90
  5. Step 5: Solve for x
    x = 42,311.90/179.62
  6. Step 6: Final answer
    x = 235.56

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.