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Finding the Fourth Proportional to 269.73, 373.24 and 230.32

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Solution

The fourth proportional to 269.73, 373.24 and 230.32 is: 318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.73 : 373.24 = 230.32 : x
  2. Step 2: Convert to fraction form
    269.73/373.24 = 230.32/x
  3. Step 3: Cross multiply
    269.73x = 373.24 × 230.32
  4. Step 4: Simplify right side
    269.73x = 85,964.64
  5. Step 5: Solve for x
    x = 85,964.64/269.73
  6. Step 6: Final answer
    x = 318.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.