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Finding the Fourth Proportional to 239.94, 359.10 and 198.90

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Solution

The fourth proportional to 239.94, 359.10 and 198.90 is: 297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.94 : 359.10 = 198.90 : x
  2. Step 2: Convert to fraction form
    239.94/359.10 = 198.90/x
  3. Step 3: Cross multiply
    239.94x = 359.10 × 198.90
  4. Step 4: Simplify right side
    239.94x = 71,424.99
  5. Step 5: Solve for x
    x = 71,424.99/239.94
  6. Step 6: Final answer
    x = 297.68

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