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Finding the Fourth Proportional to 8.08, 12.12 and 4.01

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Solution

The fourth proportional to 8.08, 12.12 and 4.01 is: 6.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.08 : 12.12 = 4.01 : x
  2. Step 2: Convert to fraction form
    8.08/12.12 = 4.01/x
  3. Step 3: Cross multiply
    8.08x = 12.12 × 4.01
  4. Step 4: Simplify right side
    8.08x = 48.58
  5. Step 5: Solve for x
    x = 48.58/8.08
  6. Step 6: Final answer
    x = 6.02

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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.