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Finding the Fourth Proportional to 240.71, 358.70 and 230.27

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Solution

The fourth proportional to 240.71, 358.70 and 230.27 is: 343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.71 : 358.70 = 230.27 : x
  2. Step 2: Convert to fraction form
    240.71/358.70 = 230.27/x
  3. Step 3: Cross multiply
    240.71x = 358.70 × 230.27
  4. Step 4: Simplify right side
    240.71x = 82,594.90
  5. Step 5: Solve for x
    x = 82,594.90/240.71
  6. Step 6: Final answer
    x = 343.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.