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Finding the Fourth Proportional to 233.57, 322.19 and 150.55

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Solution

The fourth proportional to 233.57, 322.19 and 150.55 is: 207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.57 : 322.19 = 150.55 : x
  2. Step 2: Convert to fraction form
    233.57/322.19 = 150.55/x
  3. Step 3: Cross multiply
    233.57x = 322.19 × 150.55
  4. Step 4: Simplify right side
    233.57x = 48,503.34
  5. Step 5: Solve for x
    x = 48,503.34/233.57
  6. Step 6: Final answer
    x = 207.66

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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.