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Finding the Fourth Proportional to 331.34, 497.03 and 168.98

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Solution

The fourth proportional to 331.34, 497.03 and 168.98 is: 253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.34 : 497.03 = 168.98 : x
  2. Step 2: Convert to fraction form
    331.34/497.03 = 168.98/x
  3. Step 3: Cross multiply
    331.34x = 497.03 × 168.98
  4. Step 4: Simplify right side
    331.34x = 83,984.80
  5. Step 5: Solve for x
    x = 83,984.80/331.34
  6. Step 6: Final answer
    x = 253.47

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