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Finding the Fourth Proportional to 448.54, 672.68 and 159.98

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Solution

The fourth proportional to 448.54, 672.68 and 159.98 is: 239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.54 : 672.68 = 159.98 : x
  2. Step 2: Convert to fraction form
    448.54/672.68 = 159.98/x
  3. Step 3: Cross multiply
    448.54x = 672.68 × 159.98
  4. Step 4: Simplify right side
    448.54x = 107,615.35
  5. Step 5: Solve for x
    x = 107,615.35/448.54
  6. Step 6: Final answer
    x = 239.92

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