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Finding the Fourth Proportional to 581.77, 872.11 and 196.75

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Solution

The fourth proportional to 581.77, 872.11 and 196.75 is: 294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.77 : 872.11 = 196.75 : x
  2. Step 2: Convert to fraction form
    581.77/872.11 = 196.75/x
  3. Step 3: Cross multiply
    581.77x = 872.11 × 196.75
  4. Step 4: Simplify right side
    581.77x = 171,587.64
  5. Step 5: Solve for x
    x = 171,587.64/581.77
  6. Step 6: Final answer
    x = 294.94

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