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Finding the Fourth Proportional to 397.36, 595.81 and 275.68

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Solution

The fourth proportional to 397.36, 595.81 and 275.68 is: 413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.36 : 595.81 = 275.68 : x
  2. Step 2: Convert to fraction form
    397.36/595.81 = 275.68/x
  3. Step 3: Cross multiply
    397.36x = 595.81 × 275.68
  4. Step 4: Simplify right side
    397.36x = 164,252.90
  5. Step 5: Solve for x
    x = 164,252.90/397.36
  6. Step 6: Final answer
    x = 413.36

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