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Finding the Fourth Proportional to 2,223.35, 3,335.18 and 663.33

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Solution

The fourth proportional to 2,223.35, 3,335.18 and 663.33 is: 995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.35 : 3,335.18 = 663.33 : x
  2. Step 2: Convert to fraction form
    2,223.35/3,335.18 = 663.33/x
  3. Step 3: Cross multiply
    2,223.35x = 3,335.18 × 663.33
  4. Step 4: Simplify right side
    2,223.35x = 2,212,321.63
  5. Step 5: Solve for x
    x = 2,212,321.63/2,223.35
  6. Step 6: Final answer
    x = 995.04

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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.