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Finding the Fourth Proportional to 503.73, 755.01 and 287.46

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Solution

The fourth proportional to 503.73, 755.01 and 287.46 is: 430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.73 : 755.01 = 287.46 : x
  2. Step 2: Convert to fraction form
    503.73/755.01 = 287.46/x
  3. Step 3: Cross multiply
    503.73x = 755.01 × 287.46
  4. Step 4: Simplify right side
    503.73x = 217,035.17
  5. Step 5: Solve for x
    x = 217,035.17/503.73
  6. Step 6: Final answer
    x = 430.86

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