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Finding the Fourth Proportional to 337.45, 465.34 and 232.55

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Solution

The fourth proportional to 337.45, 465.34 and 232.55 is: 320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.45 : 465.34 = 232.55 : x
  2. Step 2: Convert to fraction form
    337.45/465.34 = 232.55/x
  3. Step 3: Cross multiply
    337.45x = 465.34 × 232.55
  4. Step 4: Simplify right side
    337.45x = 108,211.91
  5. Step 5: Solve for x
    x = 108,211.91/337.45
  6. Step 6: Final answer
    x = 320.68

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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.