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Finding the Fourth Proportional to 192.92, 266.04 and 133.88

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Solution

The fourth proportional to 192.92, 266.04 and 133.88 is: 184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.92 : 266.04 = 133.88 : x
  2. Step 2: Convert to fraction form
    192.92/266.04 = 133.88/x
  3. Step 3: Cross multiply
    192.92x = 266.04 × 133.88
  4. Step 4: Simplify right side
    192.92x = 35,617.44
  5. Step 5: Solve for x
    x = 35,617.44/192.92
  6. Step 6: Final answer
    x = 184.62

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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.