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Finding the Fourth Proportional to 997.27, 1,485.88 and 941.38

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Solution

The fourth proportional to 997.27, 1,485.88 and 941.38 is: 1,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    997.27 : 1,485.88 = 941.38 : x
  2. Step 2: Convert to fraction form
    997.27/1,485.88 = 941.38/x
  3. Step 3: Cross multiply
    997.27x = 1,485.88 × 941.38
  4. Step 4: Simplify right side
    997.27x = 1,398,777.71
  5. Step 5: Solve for x
    x = 1,398,777.71/997.27
  6. Step 6: Final answer
    x = 1,402.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.