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Finding the Fourth Proportional to 756.02, 1,041 and 662.24

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Solution

The fourth proportional to 756.02, 1,041 and 662.24 is: 911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.02 : 1,041 = 662.24 : x
  2. Step 2: Convert to fraction form
    756.02/1,041 = 662.24/x
  3. Step 3: Cross multiply
    756.02x = 1,041 × 662.24
  4. Step 4: Simplify right side
    756.02x = 689,391.84
  5. Step 5: Solve for x
    x = 689,391.84/756.02
  6. Step 6: Final answer
    x = 911.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.