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Finding the Fourth Proportional to 22.69, 34.04 and 6.66

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Solution

The fourth proportional to 22.69, 34.04 and 6.66 is: 9.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.69 : 34.04 = 6.66 : x
  2. Step 2: Convert to fraction form
    22.69/34.04 = 6.66/x
  3. Step 3: Cross multiply
    22.69x = 34.04 × 6.66
  4. Step 4: Simplify right side
    22.69x = 226.67
  5. Step 5: Solve for x
    x = 226.67/22.69
  6. Step 6: Final answer
    x = 9.99

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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.