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Finding the Fourth Proportional to 233.37, 322.24 and 222.43

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Solution

The fourth proportional to 233.37, 322.24 and 222.43 is: 307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.37 : 322.24 = 222.43 : x
  2. Step 2: Convert to fraction form
    233.37/322.24 = 222.43/x
  3. Step 3: Cross multiply
    233.37x = 322.24 × 222.43
  4. Step 4: Simplify right side
    233.37x = 71,675.84
  5. Step 5: Solve for x
    x = 71,675.84/233.37
  6. Step 6: Final answer
    x = 307.13

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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.