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Finding the Fourth Proportional to 68.32, 101.93 and 62.92

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Solution

The fourth proportional to 68.32, 101.93 and 62.92 is: 93.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.32 : 101.93 = 62.92 : x
  2. Step 2: Convert to fraction form
    68.32/101.93 = 62.92/x
  3. Step 3: Cross multiply
    68.32x = 101.93 × 62.92
  4. Step 4: Simplify right side
    68.32x = 6,413.44
  5. Step 5: Solve for x
    x = 6,413.44/68.32
  6. Step 6: Final answer
    x = 93.87

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Why These Related Problems?

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