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Finding the Fourth Proportional to 335.81, 503.22 and 233.17

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Solution

The fourth proportional to 335.81, 503.22 and 233.17 is: 349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.81 : 503.22 = 233.17 : x
  2. Step 2: Convert to fraction form
    335.81/503.22 = 233.17/x
  3. Step 3: Cross multiply
    335.81x = 503.22 × 233.17
  4. Step 4: Simplify right side
    335.81x = 117,335.81
  5. Step 5: Solve for x
    x = 117,335.81/335.81
  6. Step 6: Final answer
    x = 349.41

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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.