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Finding the Fourth Proportional to 133.94, 200.90 and 65.41

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Solution

The fourth proportional to 133.94, 200.90 and 65.41 is: 98.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.94 : 200.90 = 65.41 : x
  2. Step 2: Convert to fraction form
    133.94/200.90 = 65.41/x
  3. Step 3: Cross multiply
    133.94x = 200.90 × 65.41
  4. Step 4: Simplify right side
    133.94x = 13,141.14
  5. Step 5: Solve for x
    x = 13,141.14/133.94
  6. Step 6: Final answer
    x = 98.11

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