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Finding the Fourth Proportional to 484.68, 727.04 and 228

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Solution

The fourth proportional to 484.68, 727.04 and 228 is: 342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.68 : 727.04 = 228 : x
  2. Step 2: Convert to fraction form
    484.68/727.04 = 228/x
  3. Step 3: Cross multiply
    484.68x = 727.04 × 228
  4. Step 4: Simplify right side
    484.68x = 165,765.12
  5. Step 5: Solve for x
    x = 165,765.12/484.68
  6. Step 6: Final answer
    x = 342.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.