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Finding the Fourth Proportional to 262.82, 394.36 and 134.57

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Solution

The fourth proportional to 262.82, 394.36 and 134.57 is: 201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.82 : 394.36 = 134.57 : x
  2. Step 2: Convert to fraction form
    262.82/394.36 = 134.57/x
  3. Step 3: Cross multiply
    262.82x = 394.36 × 134.57
  4. Step 4: Simplify right side
    262.82x = 53,067.05
  5. Step 5: Solve for x
    x = 53,067.05/262.82
  6. Step 6: Final answer
    x = 201.92

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