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Finding the Fourth Proportional to 549.59, 754.38 and 525.83

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Solution

The fourth proportional to 549.59, 754.38 and 525.83 is: 721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.59 : 754.38 = 525.83 : x
  2. Step 2: Convert to fraction form
    549.59/754.38 = 525.83/x
  3. Step 3: Cross multiply
    549.59x = 754.38 × 525.83
  4. Step 4: Simplify right side
    549.59x = 396,671.86
  5. Step 5: Solve for x
    x = 396,671.86/549.59
  6. Step 6: Final answer
    x = 721.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.