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Finding the Fourth Proportional to 232.88, 348.91 and 228.02

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Solution

The fourth proportional to 232.88, 348.91 and 228.02 is: 341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.88 : 348.91 = 228.02 : x
  2. Step 2: Convert to fraction form
    232.88/348.91 = 228.02/x
  3. Step 3: Cross multiply
    232.88x = 348.91 × 228.02
  4. Step 4: Simplify right side
    232.88x = 79,558.46
  5. Step 5: Solve for x
    x = 79,558.46/232.88
  6. Step 6: Final answer
    x = 341.63

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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.