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Finding the Fourth Proportional to 795.20, 1,192.55 and 301.44

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Solution

The fourth proportional to 795.20, 1,192.55 and 301.44 is: 452.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.20 : 1,192.55 = 301.44 : x
  2. Step 2: Convert to fraction form
    795.20/1,192.55 = 301.44/x
  3. Step 3: Cross multiply
    795.20x = 1,192.55 × 301.44
  4. Step 4: Simplify right side
    795.20x = 359,476.31
  5. Step 5: Solve for x
    x = 359,476.31/795.20
  6. Step 6: Final answer
    x = 452.06

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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.