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Finding the Fourth Proportional to 263.37, 363.45 and 152.84

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Solution

The fourth proportional to 263.37, 363.45 and 152.84 is: 210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.37 : 363.45 = 152.84 : x
  2. Step 2: Convert to fraction form
    263.37/363.45 = 152.84/x
  3. Step 3: Cross multiply
    263.37x = 363.45 × 152.84
  4. Step 4: Simplify right side
    263.37x = 55,549.70
  5. Step 5: Solve for x
    x = 55,549.70/263.37
  6. Step 6: Final answer
    x = 210.92

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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.