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Finding the Fourth Proportional to 237.61, 328.08 and 233.83

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Solution

The fourth proportional to 237.61, 328.08 and 233.83 is: 322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.61 : 328.08 = 233.83 : x
  2. Step 2: Convert to fraction form
    237.61/328.08 = 233.83/x
  3. Step 3: Cross multiply
    237.61x = 328.08 × 233.83
  4. Step 4: Simplify right side
    237.61x = 76,714.95
  5. Step 5: Solve for x
    x = 76,714.95/237.61
  6. Step 6: Final answer
    x = 322.86

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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.