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Finding the Fourth Proportional to 483.03, 666.41 and 286.47

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Solution

The fourth proportional to 483.03, 666.41 and 286.47 is: 395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.03 : 666.41 = 286.47 : x
  2. Step 2: Convert to fraction form
    483.03/666.41 = 286.47/x
  3. Step 3: Cross multiply
    483.03x = 666.41 × 286.47
  4. Step 4: Simplify right side
    483.03x = 190,905.04
  5. Step 5: Solve for x
    x = 190,905.04/483.03
  6. Step 6: Final answer
    x = 395.22

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