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Finding the Fourth Proportional to 363, 543.96 and 281.58

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Solution

The fourth proportional to 363, 543.96 and 281.58 is: 421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    363 : 543.96 = 281.58 : x
  2. Step 2: Convert to fraction form
    363/543.96 = 281.58/x
  3. Step 3: Cross multiply
    363x = 543.96 × 281.58
  4. Step 4: Simplify right side
    363x = 153,168.26
  5. Step 5: Solve for x
    x = 153,168.26/363
  6. Step 6: Final answer
    x = 421.95

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