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Finding the Fourth Proportional to 239.07, 358.71 and 185.43

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Solution

The fourth proportional to 239.07, 358.71 and 185.43 is: 278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.07 : 358.71 = 185.43 : x
  2. Step 2: Convert to fraction form
    239.07/358.71 = 185.43/x
  3. Step 3: Cross multiply
    239.07x = 358.71 × 185.43
  4. Step 4: Simplify right side
    239.07x = 66,515.60
  5. Step 5: Solve for x
    x = 66,515.60/239.07
  6. Step 6: Final answer
    x = 278.23

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