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Finding the Fourth Proportional to 371.02, 555.91 and 226.44

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Solution

The fourth proportional to 371.02, 555.91 and 226.44 is: 339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.02 : 555.91 = 226.44 : x
  2. Step 2: Convert to fraction form
    371.02/555.91 = 226.44/x
  3. Step 3: Cross multiply
    371.02x = 555.91 × 226.44
  4. Step 4: Simplify right side
    371.02x = 125,880.26
  5. Step 5: Solve for x
    x = 125,880.26/371.02
  6. Step 6: Final answer
    x = 339.28

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