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Finding the Fourth Proportional to 348.03, 479.73 and 274.23

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Solution

The fourth proportional to 348.03, 479.73 and 274.23 is: 378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.03 : 479.73 = 274.23 : x
  2. Step 2: Convert to fraction form
    348.03/479.73 = 274.23/x
  3. Step 3: Cross multiply
    348.03x = 479.73 × 274.23
  4. Step 4: Simplify right side
    348.03x = 131,556.36
  5. Step 5: Solve for x
    x = 131,556.36/348.03
  6. Step 6: Final answer
    x = 378.00

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