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Finding the Fourth Proportional to 380.97, 571.48 and 164.55

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Solution

The fourth proportional to 380.97, 571.48 and 164.55 is: 246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    380.97 : 571.48 = 164.55 : x
  2. Step 2: Convert to fraction form
    380.97/571.48 = 164.55/x
  3. Step 3: Cross multiply
    380.97x = 571.48 × 164.55
  4. Step 4: Simplify right side
    380.97x = 94,034.18
  5. Step 5: Solve for x
    x = 94,034.18/380.97
  6. Step 6: Final answer
    x = 246.83

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