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Finding the Fourth Proportional to 415.82, 573.81 and 268.49

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Solution

The fourth proportional to 415.82, 573.81 and 268.49 is: 370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.82 : 573.81 = 268.49 : x
  2. Step 2: Convert to fraction form
    415.82/573.81 = 268.49/x
  3. Step 3: Cross multiply
    415.82x = 573.81 × 268.49
  4. Step 4: Simplify right side
    415.82x = 154,062.25
  5. Step 5: Solve for x
    x = 154,062.25/415.82
  6. Step 6: Final answer
    x = 370.50

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