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Finding the Fourth Proportional to 232.04, 348.12 and 206.55

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Solution

The fourth proportional to 232.04, 348.12 and 206.55 is: 309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.04 : 348.12 = 206.55 : x
  2. Step 2: Convert to fraction form
    232.04/348.12 = 206.55/x
  3. Step 3: Cross multiply
    232.04x = 348.12 × 206.55
  4. Step 4: Simplify right side
    232.04x = 71,904.19
  5. Step 5: Solve for x
    x = 71,904.19/232.04
  6. Step 6: Final answer
    x = 309.88

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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.