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Finding the Fourth Proportional to 336.75, 505.17 and 174.39

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Solution

The fourth proportional to 336.75, 505.17 and 174.39 is: 261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.75 : 505.17 = 174.39 : x
  2. Step 2: Convert to fraction form
    336.75/505.17 = 174.39/x
  3. Step 3: Cross multiply
    336.75x = 505.17 × 174.39
  4. Step 4: Simplify right side
    336.75x = 88,096.60
  5. Step 5: Solve for x
    x = 88,096.60/336.75
  6. Step 6: Final answer
    x = 261.61

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