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Finding the Fourth Proportional to 676.02, 932.13 and 535.86

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Solution

The fourth proportional to 676.02, 932.13 and 535.86 is: 738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.02 : 932.13 = 535.86 : x
  2. Step 2: Convert to fraction form
    676.02/932.13 = 535.86/x
  3. Step 3: Cross multiply
    676.02x = 932.13 × 535.86
  4. Step 4: Simplify right side
    676.02x = 499,491.18
  5. Step 5: Solve for x
    x = 499,491.18/676.02
  6. Step 6: Final answer
    x = 738.87

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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.