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Finding the Fourth Proportional to 229.73, 317.01 and 131.48

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Solution

The fourth proportional to 229.73, 317.01 and 131.48 is: 181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.73 : 317.01 = 131.48 : x
  2. Step 2: Convert to fraction form
    229.73/317.01 = 131.48/x
  3. Step 3: Cross multiply
    229.73x = 317.01 × 131.48
  4. Step 4: Simplify right side
    229.73x = 41,678.89
  5. Step 5: Solve for x
    x = 41,678.89/229.73
  6. Step 6: Final answer
    x = 181.43

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