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Finding the Fourth Proportional to 506.41, 758.90 and 332.61

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Solution

The fourth proportional to 506.41, 758.90 and 332.61 is: 498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.41 : 758.90 = 332.61 : x
  2. Step 2: Convert to fraction form
    506.41/758.90 = 332.61/x
  3. Step 3: Cross multiply
    506.41x = 758.90 × 332.61
  4. Step 4: Simplify right side
    506.41x = 252,419.98
  5. Step 5: Solve for x
    x = 252,419.98/506.41
  6. Step 6: Final answer
    x = 498.45

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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.