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Finding the Fourth Proportional to 325.08, 486.66 and 299.57

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Solution

The fourth proportional to 325.08, 486.66 and 299.57 is: 448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.08 : 486.66 = 299.57 : x
  2. Step 2: Convert to fraction form
    325.08/486.66 = 299.57/x
  3. Step 3: Cross multiply
    325.08x = 486.66 × 299.57
  4. Step 4: Simplify right side
    325.08x = 145,789.25
  5. Step 5: Solve for x
    x = 145,789.25/325.08
  6. Step 6: Final answer
    x = 448.47

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