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Finding the Fourth Proportional to 73.29, 100.95 and 62.96

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Solution

The fourth proportional to 73.29, 100.95 and 62.96 is: 86.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.29 : 100.95 = 62.96 : x
  2. Step 2: Convert to fraction form
    73.29/100.95 = 62.96/x
  3. Step 3: Cross multiply
    73.29x = 100.95 × 62.96
  4. Step 4: Simplify right side
    73.29x = 6,356.22
  5. Step 5: Solve for x
    x = 6,356.22/73.29
  6. Step 6: Final answer
    x = 86.73

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