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Finding the Fourth Proportional to 192.01, 288.06 and 83.83

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Solution

The fourth proportional to 192.01, 288.06 and 83.83 is: 125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.01 : 288.06 = 83.83 : x
  2. Step 2: Convert to fraction form
    192.01/288.06 = 83.83/x
  3. Step 3: Cross multiply
    192.01x = 288.06 × 83.83
  4. Step 4: Simplify right side
    192.01x = 24,146.21
  5. Step 5: Solve for x
    x = 24,146.21/192.01
  6. Step 6: Final answer
    x = 125.76

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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.