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Finding the Fourth Proportional to 795.01, 1,192.38 and 217.75

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Solution

The fourth proportional to 795.01, 1,192.38 and 217.75 is: 326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.01 : 1,192.38 = 217.75 : x
  2. Step 2: Convert to fraction form
    795.01/1,192.38 = 217.75/x
  3. Step 3: Cross multiply
    795.01x = 1,192.38 × 217.75
  4. Step 4: Simplify right side
    795.01x = 259,640.75
  5. Step 5: Solve for x
    x = 259,640.75/795.01
  6. Step 6: Final answer
    x = 326.59

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1.5x scale

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.