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Finding the Fourth Proportional to 379.42, 569.52 and 196.77

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Solution

The fourth proportional to 379.42, 569.52 and 196.77 is: 295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.42 : 569.52 = 196.77 : x
  2. Step 2: Convert to fraction form
    379.42/569.52 = 196.77/x
  3. Step 3: Cross multiply
    379.42x = 569.52 × 196.77
  4. Step 4: Simplify right side
    379.42x = 112,061.60
  5. Step 5: Solve for x
    x = 112,061.60/379.42
  6. Step 6: Final answer
    x = 295.35

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