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Finding the Fourth Proportional to 349.76, 482.64 and 262.28

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Solution

The fourth proportional to 349.76, 482.64 and 262.28 is: 361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.76 : 482.64 = 262.28 : x
  2. Step 2: Convert to fraction form
    349.76/482.64 = 262.28/x
  3. Step 3: Cross multiply
    349.76x = 482.64 × 262.28
  4. Step 4: Simplify right side
    349.76x = 126,586.82
  5. Step 5: Solve for x
    x = 126,586.82/349.76
  6. Step 6: Final answer
    x = 361.92

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