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Finding the Fourth Proportional to 381.03, 526.73 and 271.46

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Solution

The fourth proportional to 381.03, 526.73 and 271.46 is: 375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.03 : 526.73 = 271.46 : x
  2. Step 2: Convert to fraction form
    381.03/526.73 = 271.46/x
  3. Step 3: Cross multiply
    381.03x = 526.73 × 271.46
  4. Step 4: Simplify right side
    381.03x = 142,982.13
  5. Step 5: Solve for x
    x = 142,982.13/381.03
  6. Step 6: Final answer
    x = 375.25

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