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Finding the Fourth Proportional to 177.07, 244.14 and 140.17

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Solution

The fourth proportional to 177.07, 244.14 and 140.17 is: 193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.07 : 244.14 = 140.17 : x
  2. Step 2: Convert to fraction form
    177.07/244.14 = 140.17/x
  3. Step 3: Cross multiply
    177.07x = 244.14 × 140.17
  4. Step 4: Simplify right side
    177.07x = 34,221.10
  5. Step 5: Solve for x
    x = 34,221.10/177.07
  6. Step 6: Final answer
    x = 193.26

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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.