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Finding the Fourth Proportional to 446.21, 615.70 and 249.68

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Solution

The fourth proportional to 446.21, 615.70 and 249.68 is: 344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.21 : 615.70 = 249.68 : x
  2. Step 2: Convert to fraction form
    446.21/615.70 = 249.68/x
  3. Step 3: Cross multiply
    446.21x = 615.70 × 249.68
  4. Step 4: Simplify right side
    446.21x = 153,729.83
  5. Step 5: Solve for x
    x = 153,729.83/446.21
  6. Step 6: Final answer
    x = 344.52

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