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Finding the Fourth Proportional to 348.83, 523.39 and 240.78

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Solution

The fourth proportional to 348.83, 523.39 and 240.78 is: 361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.83 : 523.39 = 240.78 : x
  2. Step 2: Convert to fraction form
    348.83/523.39 = 240.78/x
  3. Step 3: Cross multiply
    348.83x = 523.39 × 240.78
  4. Step 4: Simplify right side
    348.83x = 126,021.84
  5. Step 5: Solve for x
    x = 126,021.84/348.83
  6. Step 6: Final answer
    x = 361.27

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