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Finding the Fourth Proportional to 263.93, 394.81 and 194.96

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Solution

The fourth proportional to 263.93, 394.81 and 194.96 is: 291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.93 : 394.81 = 194.96 : x
  2. Step 2: Convert to fraction form
    263.93/394.81 = 194.96/x
  3. Step 3: Cross multiply
    263.93x = 394.81 × 194.96
  4. Step 4: Simplify right side
    263.93x = 76,972.66
  5. Step 5: Solve for x
    x = 76,972.66/263.93
  6. Step 6: Final answer
    x = 291.65

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