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Finding the Fourth Proportional to 397.82, 595.38 and 232.76

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Solution

The fourth proportional to 397.82, 595.38 and 232.76 is: 348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.82 : 595.38 = 232.76 : x
  2. Step 2: Convert to fraction form
    397.82/595.38 = 232.76/x
  3. Step 3: Cross multiply
    397.82x = 595.38 × 232.76
  4. Step 4: Simplify right side
    397.82x = 138,580.65
  5. Step 5: Solve for x
    x = 138,580.65/397.82
  6. Step 6: Final answer
    x = 348.35

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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.