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Finding the Fourth Proportional to 381.82, 526.89 and 224.48

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Solution

The fourth proportional to 381.82, 526.89 and 224.48 is: 309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.82 : 526.89 = 224.48 : x
  2. Step 2: Convert to fraction form
    381.82/526.89 = 224.48/x
  3. Step 3: Cross multiply
    381.82x = 526.89 × 224.48
  4. Step 4: Simplify right side
    381.82x = 118,276.27
  5. Step 5: Solve for x
    x = 118,276.27/381.82
  6. Step 6: Final answer
    x = 309.77

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