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Finding the Fourth Proportional to 394.93, 591.99 and 189.19

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Solution

The fourth proportional to 394.93, 591.99 and 189.19 is: 283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.93 : 591.99 = 189.19 : x
  2. Step 2: Convert to fraction form
    394.93/591.99 = 189.19/x
  3. Step 3: Cross multiply
    394.93x = 591.99 × 189.19
  4. Step 4: Simplify right side
    394.93x = 111,998.59
  5. Step 5: Solve for x
    x = 111,998.59/394.93
  6. Step 6: Final answer
    x = 283.59

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