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Finding the Fourth Proportional to 242.41, 335.39 and 233.41

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Solution

The fourth proportional to 242.41, 335.39 and 233.41 is: 322.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.41 : 335.39 = 233.41 : x
  2. Step 2: Convert to fraction form
    242.41/335.39 = 233.41/x
  3. Step 3: Cross multiply
    242.41x = 335.39 × 233.41
  4. Step 4: Simplify right side
    242.41x = 78,282.21
  5. Step 5: Solve for x
    x = 78,282.21/242.41
  6. Step 6: Final answer
    x = 322.93

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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.