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Finding the Fourth Proportional to 231.41, 347.11 and 60.41

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Solution

The fourth proportional to 231.41, 347.11 and 60.41 is: 90.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.41 : 347.11 = 60.41 : x
  2. Step 2: Convert to fraction form
    231.41/347.11 = 60.41/x
  3. Step 3: Cross multiply
    231.41x = 347.11 × 60.41
  4. Step 4: Simplify right side
    231.41x = 20,968.76
  5. Step 5: Solve for x
    x = 20,968.76/231.41
  6. Step 6: Final answer
    x = 90.61

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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.