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Finding the Fourth Proportional to 16.21, 24.32 and 6.06

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Solution

The fourth proportional to 16.21, 24.32 and 6.06 is: 9.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.21 : 24.32 = 6.06 : x
  2. Step 2: Convert to fraction form
    16.21/24.32 = 6.06/x
  3. Step 3: Cross multiply
    16.21x = 24.32 × 6.06
  4. Step 4: Simplify right side
    16.21x = 147.31
  5. Step 5: Solve for x
    x = 147.31/16.21
  6. Step 6: Final answer
    x = 9.09

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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.