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Finding the Fourth Proportional to 111.04, 166.52 and 63.04

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Solution

The fourth proportional to 111.04, 166.52 and 63.04 is: 94.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.04 : 166.52 = 63.04 : x
  2. Step 2: Convert to fraction form
    111.04/166.52 = 63.04/x
  3. Step 3: Cross multiply
    111.04x = 166.52 × 63.04
  4. Step 4: Simplify right side
    111.04x = 10,497.42
  5. Step 5: Solve for x
    x = 10,497.42/111.04
  6. Step 6: Final answer
    x = 94.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.