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Finding the Fourth Proportional to 341.97, 472.25 and 231.87

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Solution

The fourth proportional to 341.97, 472.25 and 231.87 is: 320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.97 : 472.25 = 231.87 : x
  2. Step 2: Convert to fraction form
    341.97/472.25 = 231.87/x
  3. Step 3: Cross multiply
    341.97x = 472.25 × 231.87
  4. Step 4: Simplify right side
    341.97x = 109,500.61
  5. Step 5: Solve for x
    x = 109,500.61/341.97
  6. Step 6: Final answer
    x = 320.21

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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.