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Finding the Fourth Proportional to 233.86, 322.71 and 150.94

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Solution

The fourth proportional to 233.86, 322.71 and 150.94 is: 208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.86 : 322.71 = 150.94 : x
  2. Step 2: Convert to fraction form
    233.86/322.71 = 150.94/x
  3. Step 3: Cross multiply
    233.86x = 322.71 × 150.94
  4. Step 4: Simplify right side
    233.86x = 48,709.85
  5. Step 5: Solve for x
    x = 48,709.85/233.86
  6. Step 6: Final answer
    x = 208.29

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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.