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Finding the Fourth Proportional to 149.03, 224.69 and 126.37

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Solution

The fourth proportional to 149.03, 224.69 and 126.37 is: 190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.03 : 224.69 = 126.37 : x
  2. Step 2: Convert to fraction form
    149.03/224.69 = 126.37/x
  3. Step 3: Cross multiply
    149.03x = 224.69 × 126.37
  4. Step 4: Simplify right side
    149.03x = 28,393.83
  5. Step 5: Solve for x
    x = 28,393.83/149.03
  6. Step 6: Final answer
    x = 190.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.