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Finding the Fourth Proportional to 68.68, 94.66 and 44.07

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Solution

The fourth proportional to 68.68, 94.66 and 44.07 is: 60.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.68 : 94.66 = 44.07 : x
  2. Step 2: Convert to fraction form
    68.68/94.66 = 44.07/x
  3. Step 3: Cross multiply
    68.68x = 94.66 × 44.07
  4. Step 4: Simplify right side
    68.68x = 4,171.67
  5. Step 5: Solve for x
    x = 4,171.67/68.68
  6. Step 6: Final answer
    x = 60.74

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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.