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Finding the Fourth Proportional to 541.64, 747.48 and 331.85

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Solution

The fourth proportional to 541.64, 747.48 and 331.85 is: 457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.64 : 747.48 = 331.85 : x
  2. Step 2: Convert to fraction form
    541.64/747.48 = 331.85/x
  3. Step 3: Cross multiply
    541.64x = 747.48 × 331.85
  4. Step 4: Simplify right side
    541.64x = 248,047.50
  5. Step 5: Solve for x
    x = 248,047.50/541.64
  6. Step 6: Final answer
    x = 457.96

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