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Finding the Fourth Proportional to 170.62, 255.90 and 48.88

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Solution

The fourth proportional to 170.62, 255.90 and 48.88 is: 73.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.62 : 255.90 = 48.88 : x
  2. Step 2: Convert to fraction form
    170.62/255.90 = 48.88/x
  3. Step 3: Cross multiply
    170.62x = 255.90 × 48.88
  4. Step 4: Simplify right side
    170.62x = 12,508.39
  5. Step 5: Solve for x
    x = 12,508.39/170.62
  6. Step 6: Final answer
    x = 73.31

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