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Finding the Fourth Proportional to 412.76, 619.17 and 169.34

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Solution

The fourth proportional to 412.76, 619.17 and 169.34 is: 254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.76 : 619.17 = 169.34 : x
  2. Step 2: Convert to fraction form
    412.76/619.17 = 169.34/x
  3. Step 3: Cross multiply
    412.76x = 619.17 × 169.34
  4. Step 4: Simplify right side
    412.76x = 104,850.25
  5. Step 5: Solve for x
    x = 104,850.25/412.76
  6. Step 6: Final answer
    x = 254.02

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