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Finding the Fourth Proportional to 133.76, 200.68 and 48.28

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Solution

The fourth proportional to 133.76, 200.68 and 48.28 is: 72.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.76 : 200.68 = 48.28 : x
  2. Step 2: Convert to fraction form
    133.76/200.68 = 48.28/x
  3. Step 3: Cross multiply
    133.76x = 200.68 × 48.28
  4. Step 4: Simplify right side
    133.76x = 9,688.83
  5. Step 5: Solve for x
    x = 9,688.83/133.76
  6. Step 6: Final answer
    x = 72.43

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