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Finding the Fourth Proportional to 725.08, 999.42 and 593.86

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Solution

The fourth proportional to 725.08, 999.42 and 593.86 is: 818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725.08 : 999.42 = 593.86 : x
  2. Step 2: Convert to fraction form
    725.08/999.42 = 593.86/x
  3. Step 3: Cross multiply
    725.08x = 999.42 × 593.86
  4. Step 4: Simplify right side
    725.08x = 593,515.56
  5. Step 5: Solve for x
    x = 593,515.56/725.08
  6. Step 6: Final answer
    x = 818.55

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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.