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Finding the Fourth Proportional to 591.88, 888.22 and 207.13

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Solution

The fourth proportional to 591.88, 888.22 and 207.13 is: 310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.88 : 888.22 = 207.13 : x
  2. Step 2: Convert to fraction form
    591.88/888.22 = 207.13/x
  3. Step 3: Cross multiply
    591.88x = 888.22 × 207.13
  4. Step 4: Simplify right side
    591.88x = 183,975.97
  5. Step 5: Solve for x
    x = 183,975.97/591.88
  6. Step 6: Final answer
    x = 310.83

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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.