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Finding the Fourth Proportional to 168.01, 252.06 and 103.06

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Solution

The fourth proportional to 168.01, 252.06 and 103.06 is: 154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.01 : 252.06 = 103.06 : x
  2. Step 2: Convert to fraction form
    168.01/252.06 = 103.06/x
  3. Step 3: Cross multiply
    168.01x = 252.06 × 103.06
  4. Step 4: Simplify right side
    168.01x = 25,977.30
  5. Step 5: Solve for x
    x = 25,977.30/168.01
  6. Step 6: Final answer
    x = 154.62

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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.