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Finding the Fourth Proportional to 295.20, 444.51 and 263

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Solution

The fourth proportional to 295.20, 444.51 and 263 is: 396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.20 : 444.51 = 263 : x
  2. Step 2: Convert to fraction form
    295.20/444.51 = 263/x
  3. Step 3: Cross multiply
    295.20x = 444.51 × 263
  4. Step 4: Simplify right side
    295.20x = 116,906.13
  5. Step 5: Solve for x
    x = 116,906.13/295.20
  6. Step 6: Final answer
    x = 396.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.