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Finding the Fourth Proportional to 233.55, 348 and 222.60

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Solution

The fourth proportional to 233.55, 348 and 222.60 is: 331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.55 : 348 = 222.60 : x
  2. Step 2: Convert to fraction form
    233.55/348 = 222.60/x
  3. Step 3: Cross multiply
    233.55x = 348 × 222.60
  4. Step 4: Simplify right side
    233.55x = 77,464.80
  5. Step 5: Solve for x
    x = 77,464.80/233.55
  6. Step 6: Final answer
    x = 331.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.