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Finding the Fourth Proportional to 503.04, 694.17 and 278.98

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Solution

The fourth proportional to 503.04, 694.17 and 278.98 is: 384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.04 : 694.17 = 278.98 : x
  2. Step 2: Convert to fraction form
    503.04/694.17 = 278.98/x
  3. Step 3: Cross multiply
    503.04x = 694.17 × 278.98
  4. Step 4: Simplify right side
    503.04x = 193,654.68
  5. Step 5: Solve for x
    x = 193,654.68/503.04
  6. Step 6: Final answer
    x = 384.97

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