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Finding the Fourth Proportional to 611.54, 844.07 and 349.70

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Solution

The fourth proportional to 611.54, 844.07 and 349.70 is: 482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.54 : 844.07 = 349.70 : x
  2. Step 2: Convert to fraction form
    611.54/844.07 = 349.70/x
  3. Step 3: Cross multiply
    611.54x = 844.07 × 349.70
  4. Step 4: Simplify right side
    611.54x = 295,171.64
  5. Step 5: Solve for x
    x = 295,171.64/611.54
  6. Step 6: Final answer
    x = 482.67

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