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Finding the Fourth Proportional to 254.91, 382.83 and 194.47

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Solution

The fourth proportional to 254.91, 382.83 and 194.47 is: 292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.91 : 382.83 = 194.47 : x
  2. Step 2: Convert to fraction form
    254.91/382.83 = 194.47/x
  3. Step 3: Cross multiply
    254.91x = 382.83 × 194.47
  4. Step 4: Simplify right side
    254.91x = 74,447.26
  5. Step 5: Solve for x
    x = 74,447.26/254.91
  6. Step 6: Final answer
    x = 292.05

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