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Finding the Fourth Proportional to 73.62, 110.83 and 63.18

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Solution

The fourth proportional to 73.62, 110.83 and 63.18 is: 95.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.62 : 110.83 = 63.18 : x
  2. Step 2: Convert to fraction form
    73.62/110.83 = 63.18/x
  3. Step 3: Cross multiply
    73.62x = 110.83 × 63.18
  4. Step 4: Simplify right side
    73.62x = 7,002.24
  5. Step 5: Solve for x
    x = 7,002.24/73.62
  6. Step 6: Final answer
    x = 95.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.