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Finding the Fourth Proportional to 64.61, 89.17 and 36.97

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Solution

The fourth proportional to 64.61, 89.17 and 36.97 is: 51.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.61 : 89.17 = 36.97 : x
  2. Step 2: Convert to fraction form
    64.61/89.17 = 36.97/x
  3. Step 3: Cross multiply
    64.61x = 89.17 × 36.97
  4. Step 4: Simplify right side
    64.61x = 3,296.49
  5. Step 5: Solve for x
    x = 3,296.49/64.61
  6. Step 6: Final answer
    x = 51.02

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