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Finding the Fourth Proportional to 447.66, 670.95 and 265.19

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Solution

The fourth proportional to 447.66, 670.95 and 265.19 is: 397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.66 : 670.95 = 265.19 : x
  2. Step 2: Convert to fraction form
    447.66/670.95 = 265.19/x
  3. Step 3: Cross multiply
    447.66x = 670.95 × 265.19
  4. Step 4: Simplify right side
    447.66x = 177,925.88
  5. Step 5: Solve for x
    x = 177,925.88/447.66
  6. Step 6: Final answer
    x = 397.46

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