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Finding the Fourth Proportional to 195.76, 270.03 and 137.44

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Solution

The fourth proportional to 195.76, 270.03 and 137.44 is: 189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.76 : 270.03 = 137.44 : x
  2. Step 2: Convert to fraction form
    195.76/270.03 = 137.44/x
  3. Step 3: Cross multiply
    195.76x = 270.03 × 137.44
  4. Step 4: Simplify right side
    195.76x = 37,112.92
  5. Step 5: Solve for x
    x = 37,112.92/195.76
  6. Step 6: Final answer
    x = 189.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.