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Finding the Fourth Proportional to 193.46, 266.73 and 163.92

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Solution

The fourth proportional to 193.46, 266.73 and 163.92 is: 226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.46 : 266.73 = 163.92 : x
  2. Step 2: Convert to fraction form
    193.46/266.73 = 163.92/x
  3. Step 3: Cross multiply
    193.46x = 266.73 × 163.92
  4. Step 4: Simplify right side
    193.46x = 43,722.77
  5. Step 5: Solve for x
    x = 43,722.77/193.46
  6. Step 6: Final answer
    x = 226.01

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Why These Related Problems?

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