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Finding the Fourth Proportional to 16.83, 25.23 and 8.14

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Solution

The fourth proportional to 16.83, 25.23 and 8.14 is: 12.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.83 : 25.23 = 8.14 : x
  2. Step 2: Convert to fraction form
    16.83/25.23 = 8.14/x
  3. Step 3: Cross multiply
    16.83x = 25.23 × 8.14
  4. Step 4: Simplify right side
    16.83x = 205.37
  5. Step 5: Solve for x
    x = 205.37/16.83
  6. Step 6: Final answer
    x = 12.20

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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.