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Finding the Fourth Proportional to 179.91, 269.36 and 162.83

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Solution

The fourth proportional to 179.91, 269.36 and 162.83 is: 243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.91 : 269.36 = 162.83 : x
  2. Step 2: Convert to fraction form
    179.91/269.36 = 162.83/x
  3. Step 3: Cross multiply
    179.91x = 269.36 × 162.83
  4. Step 4: Simplify right side
    179.91x = 43,857.73
  5. Step 5: Solve for x
    x = 43,857.73/179.91
  6. Step 6: Final answer
    x = 243.78

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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.