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Finding the Fourth Proportional to 150.36, 225.56 and 134.28

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Solution

The fourth proportional to 150.36, 225.56 and 134.28 is: 201.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.36 : 225.56 = 134.28 : x
  2. Step 2: Convert to fraction form
    150.36/225.56 = 134.28/x
  3. Step 3: Cross multiply
    150.36x = 225.56 × 134.28
  4. Step 4: Simplify right side
    150.36x = 30,288.20
  5. Step 5: Solve for x
    x = 30,288.20/150.36
  6. Step 6: Final answer
    x = 201.44

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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.