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Finding the Fourth Proportional to 369.72, 554.62 and 226.36

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Solution

The fourth proportional to 369.72, 554.62 and 226.36 is: 339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.72 : 554.62 = 226.36 : x
  2. Step 2: Convert to fraction form
    369.72/554.62 = 226.36/x
  3. Step 3: Cross multiply
    369.72x = 554.62 × 226.36
  4. Step 4: Simplify right side
    369.72x = 125,543.78
  5. Step 5: Solve for x
    x = 125,543.78/369.72
  6. Step 6: Final answer
    x = 339.56

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