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Finding the Fourth Proportional to 394.27, 591.62 and 232.06

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Solution

The fourth proportional to 394.27, 591.62 and 232.06 is: 348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.27 : 591.62 = 232.06 : x
  2. Step 2: Convert to fraction form
    394.27/591.62 = 232.06/x
  3. Step 3: Cross multiply
    394.27x = 591.62 × 232.06
  4. Step 4: Simplify right side
    394.27x = 137,291.34
  5. Step 5: Solve for x
    x = 137,291.34/394.27
  6. Step 6: Final answer
    x = 348.22

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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.