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Finding the Fourth Proportional to 338.73, 508.09 and 122.25

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Solution

The fourth proportional to 338.73, 508.09 and 122.25 is: 183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.73 : 508.09 = 122.25 : x
  2. Step 2: Convert to fraction form
    338.73/508.09 = 122.25/x
  3. Step 3: Cross multiply
    338.73x = 508.09 × 122.25
  4. Step 4: Simplify right side
    338.73x = 62,114.00
  5. Step 5: Solve for x
    x = 62,114.00/338.73
  6. Step 6: Final answer
    x = 183.37

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