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Finding the Fourth Proportional to 793.35, 1,093.32 and 571.91

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Solution

The fourth proportional to 793.35, 1,093.32 and 571.91 is: 788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.35 : 1,093.32 = 571.91 : x
  2. Step 2: Convert to fraction form
    793.35/1,093.32 = 571.91/x
  3. Step 3: Cross multiply
    793.35x = 1,093.32 × 571.91
  4. Step 4: Simplify right side
    793.35x = 625,275.17
  5. Step 5: Solve for x
    x = 625,275.17/793.35
  6. Step 6: Final answer
    x = 788.15

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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.