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Finding the Fourth Proportional to 356.44, 534.57 and 125.31

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Solution

The fourth proportional to 356.44, 534.57 and 125.31 is: 187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.44 : 534.57 = 125.31 : x
  2. Step 2: Convert to fraction form
    356.44/534.57 = 125.31/x
  3. Step 3: Cross multiply
    356.44x = 534.57 × 125.31
  4. Step 4: Simplify right side
    356.44x = 66,986.97
  5. Step 5: Solve for x
    x = 66,986.97/356.44
  6. Step 6: Final answer
    x = 187.93

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