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Finding the Fourth Proportional to 301.21, 450.87 and 198.25

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Solution

The fourth proportional to 301.21, 450.87 and 198.25 is: 296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.21 : 450.87 = 198.25 : x
  2. Step 2: Convert to fraction form
    301.21/450.87 = 198.25/x
  3. Step 3: Cross multiply
    301.21x = 450.87 × 198.25
  4. Step 4: Simplify right side
    301.21x = 89,384.98
  5. Step 5: Solve for x
    x = 89,384.98/301.21
  6. Step 6: Final answer
    x = 296.75

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