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Finding the Fourth Proportional to 448.08, 672.38 and 242.77

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Solution

The fourth proportional to 448.08, 672.38 and 242.77 is: 364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.08 : 672.38 = 242.77 : x
  2. Step 2: Convert to fraction form
    448.08/672.38 = 242.77/x
  3. Step 3: Cross multiply
    448.08x = 672.38 × 242.77
  4. Step 4: Simplify right side
    448.08x = 163,232.62
  5. Step 5: Solve for x
    x = 163,232.62/448.08
  6. Step 6: Final answer
    x = 364.29

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