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Finding the Fourth Proportional to 591.27, 885.69 and 331.26

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Solution

The fourth proportional to 591.27, 885.69 and 331.26 is: 496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.27 : 885.69 = 331.26 : x
  2. Step 2: Convert to fraction form
    591.27/885.69 = 331.26/x
  3. Step 3: Cross multiply
    591.27x = 885.69 × 331.26
  4. Step 4: Simplify right side
    591.27x = 293,393.67
  5. Step 5: Solve for x
    x = 293,393.67/591.27
  6. Step 6: Final answer
    x = 496.21

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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.