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Finding the Fourth Proportional to 793.88, 1,095.29 and 514.33

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Solution

The fourth proportional to 793.88, 1,095.29 and 514.33 is: 709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.88 : 1,095.29 = 514.33 : x
  2. Step 2: Convert to fraction form
    793.88/1,095.29 = 514.33/x
  3. Step 3: Cross multiply
    793.88x = 1,095.29 × 514.33
  4. Step 4: Simplify right side
    793.88x = 563,339.05
  5. Step 5: Solve for x
    x = 563,339.05/793.88
  6. Step 6: Final answer
    x = 709.61

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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.