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Finding the Fourth Proportional to 171.08, 256.47 and 62.86

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Solution

The fourth proportional to 171.08, 256.47 and 62.86 is: 94.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.08 : 256.47 = 62.86 : x
  2. Step 2: Convert to fraction form
    171.08/256.47 = 62.86/x
  3. Step 3: Cross multiply
    171.08x = 256.47 × 62.86
  4. Step 4: Simplify right side
    171.08x = 16,121.70
  5. Step 5: Solve for x
    x = 16,121.70/171.08
  6. Step 6: Final answer
    x = 94.23

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