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Finding the Fourth Proportional to 795.24, 1,097.38 and 445.92

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Solution

The fourth proportional to 795.24, 1,097.38 and 445.92 is: 615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.24 : 1,097.38 = 445.92 : x
  2. Step 2: Convert to fraction form
    795.24/1,097.38 = 445.92/x
  3. Step 3: Cross multiply
    795.24x = 1,097.38 × 445.92
  4. Step 4: Simplify right side
    795.24x = 489,343.69
  5. Step 5: Solve for x
    x = 489,343.69/795.24
  6. Step 6: Final answer
    x = 615.34

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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.