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Finding the Fourth Proportional to 630.88, 946.42 and 197.94

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Solution

The fourth proportional to 630.88, 946.42 and 197.94 is: 296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.88 : 946.42 = 197.94 : x
  2. Step 2: Convert to fraction form
    630.88/946.42 = 197.94/x
  3. Step 3: Cross multiply
    630.88x = 946.42 × 197.94
  4. Step 4: Simplify right side
    630.88x = 187,334.37
  5. Step 5: Solve for x
    x = 187,334.37/630.88
  6. Step 6: Final answer
    x = 296.94

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