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Finding the Fourth Proportional to 448.43, 672.80 and 174.71

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Solution

The fourth proportional to 448.43, 672.80 and 174.71 is: 262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.43 : 672.80 = 174.71 : x
  2. Step 2: Convert to fraction form
    448.43/672.80 = 174.71/x
  3. Step 3: Cross multiply
    448.43x = 672.80 × 174.71
  4. Step 4: Simplify right side
    448.43x = 117,545.70
  5. Step 5: Solve for x
    x = 117,545.70/448.43
  6. Step 6: Final answer
    x = 262.13

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