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Finding the Fourth Proportional to 486.82, 671.07 and 360.46

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Solution

The fourth proportional to 486.82, 671.07 and 360.46 is: 496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486.82 : 671.07 = 360.46 : x
  2. Step 2: Convert to fraction form
    486.82/671.07 = 360.46/x
  3. Step 3: Cross multiply
    486.82x = 671.07 × 360.46
  4. Step 4: Simplify right side
    486.82x = 241,893.89
  5. Step 5: Solve for x
    x = 241,893.89/486.82
  6. Step 6: Final answer
    x = 496.89

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