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Finding the Fourth Proportional to 805.01, 1,108.10 and 701.33

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Solution

The fourth proportional to 805.01, 1,108.10 and 701.33 is: 965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    805.01 : 1,108.10 = 701.33 : x
  2. Step 2: Convert to fraction form
    805.01/1,108.10 = 701.33/x
  3. Step 3: Cross multiply
    805.01x = 1,108.10 × 701.33
  4. Step 4: Simplify right side
    805.01x = 777,143.77
  5. Step 5: Solve for x
    x = 777,143.77/805.01
  6. Step 6: Final answer
    x = 965.38

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Double scale
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1.5x scale

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.