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Finding the Fourth Proportional to 180.96, 250.84 and 169.92

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Solution

The fourth proportional to 180.96, 250.84 and 169.92 is: 235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.96 : 250.84 = 169.92 : x
  2. Step 2: Convert to fraction form
    180.96/250.84 = 169.92/x
  3. Step 3: Cross multiply
    180.96x = 250.84 × 169.92
  4. Step 4: Simplify right side
    180.96x = 42,622.73
  5. Step 5: Solve for x
    x = 42,622.73/180.96
  6. Step 6: Final answer
    x = 235.54

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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.