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Finding the Fourth Proportional to 265.50, 366.27 and 172.26

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Solution

The fourth proportional to 265.50, 366.27 and 172.26 is: 237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.50 : 366.27 = 172.26 : x
  2. Step 2: Convert to fraction form
    265.50/366.27 = 172.26/x
  3. Step 3: Cross multiply
    265.50x = 366.27 × 172.26
  4. Step 4: Simplify right side
    265.50x = 63,093.67
  5. Step 5: Solve for x
    x = 63,093.67/265.50
  6. Step 6: Final answer
    x = 237.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.