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Finding the Fourth Proportional to 140.96, 193.39 and 134.07

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Solution

The fourth proportional to 140.96, 193.39 and 134.07 is: 183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.96 : 193.39 = 134.07 : x
  2. Step 2: Convert to fraction form
    140.96/193.39 = 134.07/x
  3. Step 3: Cross multiply
    140.96x = 193.39 × 134.07
  4. Step 4: Simplify right side
    140.96x = 25,927.46
  5. Step 5: Solve for x
    x = 25,927.46/140.96
  6. Step 6: Final answer
    x = 183.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.