Home / 683.03-1,024.56-272.36

Finding the Fourth Proportional to 683.03, 1,024.56 and 272.36

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Solution

The fourth proportional to 683.03, 1,024.56 and 272.36 is: 408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.03 : 1,024.56 = 272.36 : x
  2. Step 2: Convert to fraction form
    683.03/1,024.56 = 272.36/x
  3. Step 3: Cross multiply
    683.03x = 1,024.56 × 272.36
  4. Step 4: Simplify right side
    683.03x = 279,052.74
  5. Step 5: Solve for x
    x = 279,052.74/683.03
  6. Step 6: Final answer
    x = 408.55

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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.