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Finding the Fourth Proportional to 67.66, 93.35 and 44.37

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Solution

The fourth proportional to 67.66, 93.35 and 44.37 is: 61.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.66 : 93.35 = 44.37 : x
  2. Step 2: Convert to fraction form
    67.66/93.35 = 44.37/x
  3. Step 3: Cross multiply
    67.66x = 93.35 × 44.37
  4. Step 4: Simplify right side
    67.66x = 4,141.98
  5. Step 5: Solve for x
    x = 4,141.98/67.66
  6. Step 6: Final answer
    x = 61.22

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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.