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Finding the Fourth Proportional to 506.96, 760.68 and 344.30

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Solution

The fourth proportional to 506.96, 760.68 and 344.30 is: 516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.96 : 760.68 = 344.30 : x
  2. Step 2: Convert to fraction form
    506.96/760.68 = 344.30/x
  3. Step 3: Cross multiply
    506.96x = 760.68 × 344.30
  4. Step 4: Simplify right side
    506.96x = 261,898.32
  5. Step 5: Solve for x
    x = 261,898.32/506.96
  6. Step 6: Final answer
    x = 516.61

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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.