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Finding the Fourth Proportional to 391.82, 587.38 and 175.32

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Solution

The fourth proportional to 391.82, 587.38 and 175.32 is: 262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    391.82 : 587.38 = 175.32 : x
  2. Step 2: Convert to fraction form
    391.82/587.38 = 175.32/x
  3. Step 3: Cross multiply
    391.82x = 587.38 × 175.32
  4. Step 4: Simplify right side
    391.82x = 102,979.46
  5. Step 5: Solve for x
    x = 102,979.46/391.82
  6. Step 6: Final answer
    x = 262.82

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