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Finding the Fourth Proportional to 591.08, 886.02 and 331.20

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Solution

The fourth proportional to 591.08, 886.02 and 331.20 is: 496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.08 : 886.02 = 331.20 : x
  2. Step 2: Convert to fraction form
    591.08/886.02 = 331.20/x
  3. Step 3: Cross multiply
    591.08x = 886.02 × 331.20
  4. Step 4: Simplify right side
    591.08x = 293,449.82
  5. Step 5: Solve for x
    x = 293,449.82/591.08
  6. Step 6: Final answer
    x = 496.47

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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.