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Finding the Fourth Proportional to 101.76, 150.56 and 101.44

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Solution

The fourth proportional to 101.76, 150.56 and 101.44 is: 150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.76 : 150.56 = 101.44 : x
  2. Step 2: Convert to fraction form
    101.76/150.56 = 101.44/x
  3. Step 3: Cross multiply
    101.76x = 150.56 × 101.44
  4. Step 4: Simplify right side
    101.76x = 15,272.81
  5. Step 5: Solve for x
    x = 15,272.81/101.76
  6. Step 6: Final answer
    x = 150.09

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.