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Finding the Fourth Proportional to 148.85, 222.24 and 134.27

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Solution

The fourth proportional to 148.85, 222.24 and 134.27 is: 200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.85 : 222.24 = 134.27 : x
  2. Step 2: Convert to fraction form
    148.85/222.24 = 134.27/x
  3. Step 3: Cross multiply
    148.85x = 222.24 × 134.27
  4. Step 4: Simplify right side
    148.85x = 29,840.16
  5. Step 5: Solve for x
    x = 29,840.16/148.85
  6. Step 6: Final answer
    x = 200.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.