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Finding the Fourth Proportional to 97.54, 146.41 and 65.70

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Solution

The fourth proportional to 97.54, 146.41 and 65.70 is: 98.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.54 : 146.41 = 65.70 : x
  2. Step 2: Convert to fraction form
    97.54/146.41 = 65.70/x
  3. Step 3: Cross multiply
    97.54x = 146.41 × 65.70
  4. Step 4: Simplify right side
    97.54x = 9,619.14
  5. Step 5: Solve for x
    x = 9,619.14/97.54
  6. Step 6: Final answer
    x = 98.62

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