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Finding the Fourth Proportional to 177.40, 265.82 and 134.44

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Solution

The fourth proportional to 177.40, 265.82 and 134.44 is: 201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.40 : 265.82 = 134.44 : x
  2. Step 2: Convert to fraction form
    177.40/265.82 = 134.44/x
  3. Step 3: Cross multiply
    177.40x = 265.82 × 134.44
  4. Step 4: Simplify right side
    177.40x = 35,736.84
  5. Step 5: Solve for x
    x = 35,736.84/177.40
  6. Step 6: Final answer
    x = 201.45

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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.