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Finding the Fourth Proportional to 249.78, 374.94 and 234.66

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Solution

The fourth proportional to 249.78, 374.94 and 234.66 is: 352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.78 : 374.94 = 234.66 : x
  2. Step 2: Convert to fraction form
    249.78/374.94 = 234.66/x
  3. Step 3: Cross multiply
    249.78x = 374.94 × 234.66
  4. Step 4: Simplify right side
    249.78x = 87,983.42
  5. Step 5: Solve for x
    x = 87,983.42/249.78
  6. Step 6: Final answer
    x = 352.24

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