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Finding the Fourth Proportional to 149.14, 224.01 and 116.71

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Solution

The fourth proportional to 149.14, 224.01 and 116.71 is: 175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.14 : 224.01 = 116.71 : x
  2. Step 2: Convert to fraction form
    149.14/224.01 = 116.71/x
  3. Step 3: Cross multiply
    149.14x = 224.01 × 116.71
  4. Step 4: Simplify right side
    149.14x = 26,144.21
  5. Step 5: Solve for x
    x = 26,144.21/149.14
  6. Step 6: Final answer
    x = 175.30

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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.