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Finding the Fourth Proportional to 16.06, 24.09 and 12.19

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Solution

The fourth proportional to 16.06, 24.09 and 12.19 is: 18.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.06 : 24.09 = 12.19 : x
  2. Step 2: Convert to fraction form
    16.06/24.09 = 12.19/x
  3. Step 3: Cross multiply
    16.06x = 24.09 × 12.19
  4. Step 4: Simplify right side
    16.06x = 293.66
  5. Step 5: Solve for x
    x = 293.66/16.06
  6. Step 6: Final answer
    x = 18.29

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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.