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Finding the Fourth Proportional to 379.74, 569.25 and 235.38

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Solution

The fourth proportional to 379.74, 569.25 and 235.38 is: 352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.74 : 569.25 = 235.38 : x
  2. Step 2: Convert to fraction form
    379.74/569.25 = 235.38/x
  3. Step 3: Cross multiply
    379.74x = 569.25 × 235.38
  4. Step 4: Simplify right side
    379.74x = 133,990.07
  5. Step 5: Solve for x
    x = 133,990.07/379.74
  6. Step 6: Final answer
    x = 352.85

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