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Finding the Fourth Proportional to 506.52, 758.46 and 262.20

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Solution

The fourth proportional to 506.52, 758.46 and 262.20 is: 392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.52 : 758.46 = 262.20 : x
  2. Step 2: Convert to fraction form
    506.52/758.46 = 262.20/x
  3. Step 3: Cross multiply
    506.52x = 758.46 × 262.20
  4. Step 4: Simplify right side
    506.52x = 198,868.21
  5. Step 5: Solve for x
    x = 198,868.21/506.52
  6. Step 6: Final answer
    x = 392.62

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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.