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Finding the Fourth Proportional to 455.94, 683.44 and 181.91

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Solution

The fourth proportional to 455.94, 683.44 and 181.91 is: 272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    455.94 : 683.44 = 181.91 : x
  2. Step 2: Convert to fraction form
    455.94/683.44 = 181.91/x
  3. Step 3: Cross multiply
    455.94x = 683.44 × 181.91
  4. Step 4: Simplify right side
    455.94x = 124,325.82
  5. Step 5: Solve for x
    x = 124,325.82/455.94
  6. Step 6: Final answer
    x = 272.68

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