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Finding the Fourth Proportional to 604.88, 906.63 and 279.57

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Solution

The fourth proportional to 604.88, 906.63 and 279.57 is: 419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.88 : 906.63 = 279.57 : x
  2. Step 2: Convert to fraction form
    604.88/906.63 = 279.57/x
  3. Step 3: Cross multiply
    604.88x = 906.63 × 279.57
  4. Step 4: Simplify right side
    604.88x = 253,466.55
  5. Step 5: Solve for x
    x = 253,466.55/604.88
  6. Step 6: Final answer
    x = 419.04

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