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Finding the Fourth Proportional to 325.44, 487.86 and 162.98

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Solution

The fourth proportional to 325.44, 487.86 and 162.98 is: 244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.44 : 487.86 = 162.98 : x
  2. Step 2: Convert to fraction form
    325.44/487.86 = 162.98/x
  3. Step 3: Cross multiply
    325.44x = 487.86 × 162.98
  4. Step 4: Simplify right side
    325.44x = 79,511.42
  5. Step 5: Solve for x
    x = 79,511.42/325.44
  6. Step 6: Final answer
    x = 244.32

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