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Finding the Fourth Proportional to 174.14, 261.21 and 148.43

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Solution

The fourth proportional to 174.14, 261.21 and 148.43 is: 222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.14 : 261.21 = 148.43 : x
  2. Step 2: Convert to fraction form
    174.14/261.21 = 148.43/x
  3. Step 3: Cross multiply
    174.14x = 261.21 × 148.43
  4. Step 4: Simplify right side
    174.14x = 38,770.09
  5. Step 5: Solve for x
    x = 38,770.09/174.14
  6. Step 6: Final answer
    x = 222.64

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