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Finding the Fourth Proportional to 455.48, 682.96 and 181.36

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Solution

The fourth proportional to 455.48, 682.96 and 181.36 is: 271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    455.48 : 682.96 = 181.36 : x
  2. Step 2: Convert to fraction form
    455.48/682.96 = 181.36/x
  3. Step 3: Cross multiply
    455.48x = 682.96 × 181.36
  4. Step 4: Simplify right side
    455.48x = 123,861.63
  5. Step 5: Solve for x
    x = 123,861.63/455.48
  6. Step 6: Final answer
    x = 271.94

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