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Finding the Fourth Proportional to 793.01, 1,190.01 and 403

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Solution

The fourth proportional to 793.01, 1,190.01 and 403 is: 604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.01 : 1,190.01 = 403 : x
  2. Step 2: Convert to fraction form
    793.01/1,190.01 = 403/x
  3. Step 3: Cross multiply
    793.01x = 1,190.01 × 403
  4. Step 4: Simplify right side
    793.01x = 479,574.03
  5. Step 5: Solve for x
    x = 479,574.03/793.01
  6. Step 6: Final answer
    x = 604.75

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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.