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Finding the Fourth Proportional to 101.34, 152.03 and 29.21

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Solution

The fourth proportional to 101.34, 152.03 and 29.21 is: 43.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.34 : 152.03 = 29.21 : x
  2. Step 2: Convert to fraction form
    101.34/152.03 = 29.21/x
  3. Step 3: Cross multiply
    101.34x = 152.03 × 29.21
  4. Step 4: Simplify right side
    101.34x = 4,439.89
  5. Step 5: Solve for x
    x = 4,439.89/101.34
  6. Step 6: Final answer
    x = 43.81

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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.