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Finding the Fourth Proportional to 44.15, 60.91 and 26.66

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Solution

The fourth proportional to 44.15, 60.91 and 26.66 is: 36.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.15 : 60.91 = 26.66 : x
  2. Step 2: Convert to fraction form
    44.15/60.91 = 26.66/x
  3. Step 3: Cross multiply
    44.15x = 60.91 × 26.66
  4. Step 4: Simplify right side
    44.15x = 1,623.59
  5. Step 5: Solve for x
    x = 1,623.59/44.15
  6. Step 6: Final answer
    x = 36.78

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Why These Related Problems?

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