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Finding the Fourth Proportional to 44.94, 67.38 and 26.66

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Solution

The fourth proportional to 44.94, 67.38 and 26.66 is: 39.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.94 : 67.38 = 26.66 : x
  2. Step 2: Convert to fraction form
    44.94/67.38 = 26.66/x
  3. Step 3: Cross multiply
    44.94x = 67.38 × 26.66
  4. Step 4: Simplify right side
    44.94x = 1,796.35
  5. Step 5: Solve for x
    x = 1,796.35/44.94
  6. Step 6: Final answer
    x = 39.97

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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.