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Finding the Fourth Proportional to 235.27, 352.16 and 157.01

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Solution

The fourth proportional to 235.27, 352.16 and 157.01 is: 235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.27 : 352.16 = 157.01 : x
  2. Step 2: Convert to fraction form
    235.27/352.16 = 157.01/x
  3. Step 3: Cross multiply
    235.27x = 352.16 × 157.01
  4. Step 4: Simplify right side
    235.27x = 55,292.64
  5. Step 5: Solve for x
    x = 55,292.64/235.27
  6. Step 6: Final answer
    x = 235.02

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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.