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Finding the Fourth Proportional to 231.22, 347.07 and 150.13

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Solution

The fourth proportional to 231.22, 347.07 and 150.13 is: 225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.22 : 347.07 = 150.13 : x
  2. Step 2: Convert to fraction form
    231.22/347.07 = 150.13/x
  3. Step 3: Cross multiply
    231.22x = 347.07 × 150.13
  4. Step 4: Simplify right side
    231.22x = 52,105.62
  5. Step 5: Solve for x
    x = 52,105.62/231.22
  6. Step 6: Final answer
    x = 225.35

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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.