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Finding the Fourth Proportional to 177.01, 265.56 and 68.81

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Solution

The fourth proportional to 177.01, 265.56 and 68.81 is: 103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.01 : 265.56 = 68.81 : x
  2. Step 2: Convert to fraction form
    177.01/265.56 = 68.81/x
  3. Step 3: Cross multiply
    177.01x = 265.56 × 68.81
  4. Step 4: Simplify right side
    177.01x = 18,273.18
  5. Step 5: Solve for x
    x = 18,273.18/177.01
  6. Step 6: Final answer
    x = 103.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.