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Finding the Fourth Proportional to 795.39, 1,193.10 and 218.26

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Solution

The fourth proportional to 795.39, 1,193.10 and 218.26 is: 327.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.39 : 1,193.10 = 218.26 : x
  2. Step 2: Convert to fraction form
    795.39/1,193.10 = 218.26/x
  3. Step 3: Cross multiply
    795.39x = 1,193.10 × 218.26
  4. Step 4: Simplify right side
    795.39x = 260,406.01
  5. Step 5: Solve for x
    x = 260,406.01/795.39
  6. Step 6: Final answer
    x = 327.39

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Double scale
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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.