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Finding the Fourth Proportional to 452.00, 623.54 and 286.46

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Solution

The fourth proportional to 452.00, 623.54 and 286.46 is: 395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.00 : 623.54 = 286.46 : x
  2. Step 2: Convert to fraction form
    452.00/623.54 = 286.46/x
  3. Step 3: Cross multiply
    452.00x = 623.54 × 286.46
  4. Step 4: Simplify right side
    452.00x = 178,614.72
  5. Step 5: Solve for x
    x = 178,614.72/452.00
  6. Step 6: Final answer
    x = 395.17

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