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Finding the Fourth Proportional to 237.66, 358.56 and 226.74

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Solution

The fourth proportional to 237.66, 358.56 and 226.74 is: 342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.66 : 358.56 = 226.74 : x
  2. Step 2: Convert to fraction form
    237.66/358.56 = 226.74/x
  3. Step 3: Cross multiply
    237.66x = 358.56 × 226.74
  4. Step 4: Simplify right side
    237.66x = 81,299.89
  5. Step 5: Solve for x
    x = 81,299.89/237.66
  6. Step 6: Final answer
    x = 342.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.