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Finding the Fourth Proportional to 294.14, 441.05 and 157.07

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Solution

The fourth proportional to 294.14, 441.05 and 157.07 is: 235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.14 : 441.05 = 157.07 : x
  2. Step 2: Convert to fraction form
    294.14/441.05 = 157.07/x
  3. Step 3: Cross multiply
    294.14x = 441.05 × 157.07
  4. Step 4: Simplify right side
    294.14x = 69,272.73
  5. Step 5: Solve for x
    x = 69,272.73/294.14
  6. Step 6: Final answer
    x = 235.51

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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.