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Finding the Fourth Proportional to 73.03, 109.02 and 63.43

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Solution

The fourth proportional to 73.03, 109.02 and 63.43 is: 94.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.03 : 109.02 = 63.43 : x
  2. Step 2: Convert to fraction form
    73.03/109.02 = 63.43/x
  3. Step 3: Cross multiply
    73.03x = 109.02 × 63.43
  4. Step 4: Simplify right side
    73.03x = 6,914.55
  5. Step 5: Solve for x
    x = 6,914.55/73.03
  6. Step 6: Final answer
    x = 94.68

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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.