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Finding the Fourth Proportional to 148.28, 203.50 and 134.44

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Solution

The fourth proportional to 148.28, 203.50 and 134.44 is: 184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.28 : 203.50 = 134.44 : x
  2. Step 2: Convert to fraction form
    148.28/203.50 = 134.44/x
  3. Step 3: Cross multiply
    148.28x = 203.50 × 134.44
  4. Step 4: Simplify right side
    148.28x = 27,358.54
  5. Step 5: Solve for x
    x = 27,358.54/148.28
  6. Step 6: Final answer
    x = 184.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.