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Finding the Fourth Proportional to 263.56, 393.84 and 201.52

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Solution

The fourth proportional to 263.56, 393.84 and 201.52 is: 301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.56 : 393.84 = 201.52 : x
  2. Step 2: Convert to fraction form
    263.56/393.84 = 201.52/x
  3. Step 3: Cross multiply
    263.56x = 393.84 × 201.52
  4. Step 4: Simplify right side
    263.56x = 79,366.64
  5. Step 5: Solve for x
    x = 79,366.64/263.56
  6. Step 6: Final answer
    x = 301.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.