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Finding the Fourth Proportional to 506.13, 758.12 and 479.18

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Solution

The fourth proportional to 506.13, 758.12 and 479.18 is: 717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.13 : 758.12 = 479.18 : x
  2. Step 2: Convert to fraction form
    506.13/758.12 = 479.18/x
  3. Step 3: Cross multiply
    506.13x = 758.12 × 479.18
  4. Step 4: Simplify right side
    506.13x = 363,269.76
  5. Step 5: Solve for x
    x = 363,269.76/506.13
  6. Step 6: Final answer
    x = 717.74

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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.