Home / 683.03-1,024.57-220.75

Finding the Fourth Proportional to 683.03, 1,024.57 and 220.75

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Solution

The fourth proportional to 683.03, 1,024.57 and 220.75 is: 331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.03 : 1,024.57 = 220.75 : x
  2. Step 2: Convert to fraction form
    683.03/1,024.57 = 220.75/x
  3. Step 3: Cross multiply
    683.03x = 1,024.57 × 220.75
  4. Step 4: Simplify right side
    683.03x = 226,175.04
  5. Step 5: Solve for x
    x = 226,175.04/683.03
  6. Step 6: Final answer
    x = 331.13

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Double scale
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1.5x scale

Why These Related Problems?

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