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Finding the Fourth Proportional to 224.06, 308.97 and 141.14

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Solution

The fourth proportional to 224.06, 308.97 and 141.14 is: 194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.06 : 308.97 = 141.14 : x
  2. Step 2: Convert to fraction form
    224.06/308.97 = 141.14/x
  3. Step 3: Cross multiply
    224.06x = 308.97 × 141.14
  4. Step 4: Simplify right side
    224.06x = 43,608.80
  5. Step 5: Solve for x
    x = 43,608.80/224.06
  6. Step 6: Final answer
    x = 194.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.