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Finding the Fourth Proportional to 68.13, 101.71 and 63.39

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Solution

The fourth proportional to 68.13, 101.71 and 63.39 is: 94.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.13 : 101.71 = 63.39 : x
  2. Step 2: Convert to fraction form
    68.13/101.71 = 63.39/x
  3. Step 3: Cross multiply
    68.13x = 101.71 × 63.39
  4. Step 4: Simplify right side
    68.13x = 6,447.40
  5. Step 5: Solve for x
    x = 6,447.40/68.13
  6. Step 6: Final answer
    x = 94.63

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.