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Finding the Fourth Proportional to 477.82, 716.69 and 189.18

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Solution

The fourth proportional to 477.82, 716.69 and 189.18 is: 283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.82 : 716.69 = 189.18 : x
  2. Step 2: Convert to fraction form
    477.82/716.69 = 189.18/x
  3. Step 3: Cross multiply
    477.82x = 716.69 × 189.18
  4. Step 4: Simplify right side
    477.82x = 135,583.41
  5. Step 5: Solve for x
    x = 135,583.41/477.82
  6. Step 6: Final answer
    x = 283.75

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