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Finding the Fourth Proportional to 237.16, 355.18 and 134.22

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Solution

The fourth proportional to 237.16, 355.18 and 134.22 is: 201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.16 : 355.18 = 134.22 : x
  2. Step 2: Convert to fraction form
    237.16/355.18 = 134.22/x
  3. Step 3: Cross multiply
    237.16x = 355.18 × 134.22
  4. Step 4: Simplify right side
    237.16x = 47,672.26
  5. Step 5: Solve for x
    x = 47,672.26/237.16
  6. Step 6: Final answer
    x = 201.01

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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.