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Finding the Fourth Proportional to 445.06, 667.76 and 262.51

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Solution

The fourth proportional to 445.06, 667.76 and 262.51 is: 393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.06 : 667.76 = 262.51 : x
  2. Step 2: Convert to fraction form
    445.06/667.76 = 262.51/x
  3. Step 3: Cross multiply
    445.06x = 667.76 × 262.51
  4. Step 4: Simplify right side
    445.06x = 175,293.68
  5. Step 5: Solve for x
    x = 175,293.68/445.06
  6. Step 6: Final answer
    x = 393.87

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