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Finding the Fourth Proportional to 237.23, 356.06 and 156.17

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Solution

The fourth proportional to 237.23, 356.06 and 156.17 is: 234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.23 : 356.06 = 156.17 : x
  2. Step 2: Convert to fraction form
    237.23/356.06 = 156.17/x
  3. Step 3: Cross multiply
    237.23x = 356.06 × 156.17
  4. Step 4: Simplify right side
    237.23x = 55,605.89
  5. Step 5: Solve for x
    x = 55,605.89/237.23
  6. Step 6: Final answer
    x = 234.40

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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.