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Finding the Fourth Proportional to 521.88, 782.36 and 197.03

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Solution

The fourth proportional to 521.88, 782.36 and 197.03 is: 295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    521.88 : 782.36 = 197.03 : x
  2. Step 2: Convert to fraction form
    521.88/782.36 = 197.03/x
  3. Step 3: Cross multiply
    521.88x = 782.36 × 197.03
  4. Step 4: Simplify right side
    521.88x = 154,150.10
  5. Step 5: Solve for x
    x = 154,150.10/521.88
  6. Step 6: Final answer
    x = 295.38

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