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Finding the Fourth Proportional to 484.03, 725.96 and 137.32

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Solution

The fourth proportional to 484.03, 725.96 and 137.32 is: 205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.03 : 725.96 = 137.32 : x
  2. Step 2: Convert to fraction form
    484.03/725.96 = 137.32/x
  3. Step 3: Cross multiply
    484.03x = 725.96 × 137.32
  4. Step 4: Simplify right side
    484.03x = 99,687.36
  5. Step 5: Solve for x
    x = 99,687.36/484.03
  6. Step 6: Final answer
    x = 205.95

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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.