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Finding the Fourth Proportional to 495.04, 683.21 and 274.01

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Solution

The fourth proportional to 495.04, 683.21 and 274.01 is: 378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.04 : 683.21 = 274.01 : x
  2. Step 2: Convert to fraction form
    495.04/683.21 = 274.01/x
  3. Step 3: Cross multiply
    495.04x = 683.21 × 274.01
  4. Step 4: Simplify right side
    495.04x = 187,205.00
  5. Step 5: Solve for x
    x = 187,205.00/495.04
  6. Step 6: Final answer
    x = 378.16

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