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Finding the Fourth Proportional to 16.54, 22.84 and 12.17

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Solution

The fourth proportional to 16.54, 22.84 and 12.17 is: 16.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.54 : 22.84 = 12.17 : x
  2. Step 2: Convert to fraction form
    16.54/22.84 = 12.17/x
  3. Step 3: Cross multiply
    16.54x = 22.84 × 12.17
  4. Step 4: Simplify right side
    16.54x = 278.02
  5. Step 5: Solve for x
    x = 278.02/16.54
  6. Step 6: Final answer
    x = 16.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.