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Finding the Fourth Proportional to 793.93, 1,095.56 and 444.55

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Solution

The fourth proportional to 793.93, 1,095.56 and 444.55 is: 613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.93 : 1,095.56 = 444.55 : x
  2. Step 2: Convert to fraction form
    793.93/1,095.56 = 444.55/x
  3. Step 3: Cross multiply
    793.93x = 1,095.56 × 444.55
  4. Step 4: Simplify right side
    793.93x = 487,025.72
  5. Step 5: Solve for x
    x = 487,025.72/793.93
  6. Step 6: Final answer
    x = 613.44

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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.