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Finding the Fourth Proportional to 161.38, 241.98 and 65.08

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Solution

The fourth proportional to 161.38, 241.98 and 65.08 is: 97.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.38 : 241.98 = 65.08 : x
  2. Step 2: Convert to fraction form
    161.38/241.98 = 65.08/x
  3. Step 3: Cross multiply
    161.38x = 241.98 × 65.08
  4. Step 4: Simplify right side
    161.38x = 15,748.06
  5. Step 5: Solve for x
    x = 15,748.06/161.38
  6. Step 6: Final answer
    x = 97.58

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