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Finding the Fourth Proportional to 477.71, 716.54 and 185.09

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Solution

The fourth proportional to 477.71, 716.54 and 185.09 is: 277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.71 : 716.54 = 185.09 : x
  2. Step 2: Convert to fraction form
    477.71/716.54 = 185.09/x
  3. Step 3: Cross multiply
    477.71x = 716.54 × 185.09
  4. Step 4: Simplify right side
    477.71x = 132,623.46
  5. Step 5: Solve for x
    x = 132,623.46/477.71
  6. Step 6: Final answer
    x = 277.62

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