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Finding the Fourth Proportional to 591.27, 885.74 and 481.71

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Solution

The fourth proportional to 591.27, 885.74 and 481.71 is: 721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.27 : 885.74 = 481.71 : x
  2. Step 2: Convert to fraction form
    591.27/885.74 = 481.71/x
  3. Step 3: Cross multiply
    591.27x = 885.74 × 481.71
  4. Step 4: Simplify right side
    591.27x = 426,667.41
  5. Step 5: Solve for x
    x = 426,667.41/591.27
  6. Step 6: Final answer
    x = 721.61

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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.