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Finding the Third Proportional to 288 and 444.38

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Solution

The third proportional to 288 and 444.38 is: 685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    288 : 444.38 = 444.38 : x
  2. Step 2: Convert to fraction form
    288/444.38 = 444.38/x
  3. Step 3: Cross multiply
    288x = 444.38 × 444.38
  4. Step 4: Simplify right side
    288x = 197,469.14
  5. Step 5: Solve for x
    x = 197,469.14/288
  6. Step 6: Final answer
    x = 685.66

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.