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Finding the Fourth Proportional to 140.00, 192.94 and 108.88

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Solution

The fourth proportional to 140.00, 192.94 and 108.88 is: 150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.00 : 192.94 = 108.88 : x
  2. Step 2: Convert to fraction form
    140.00/192.94 = 108.88/x
  3. Step 3: Cross multiply
    140.00x = 192.94 × 108.88
  4. Step 4: Simplify right side
    140.00x = 21,006.55
  5. Step 5: Solve for x
    x = 21,006.55/140.00
  6. Step 6: Final answer
    x = 150.05

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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.