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Finding the Fourth Proportional to 797.89, 1,101.05 and 466.33

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Solution

The fourth proportional to 797.89, 1,101.05 and 466.33 is: 643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.89 : 1,101.05 = 466.33 : x
  2. Step 2: Convert to fraction form
    797.89/1,101.05 = 466.33/x
  3. Step 3: Cross multiply
    797.89x = 1,101.05 × 466.33
  4. Step 4: Simplify right side
    797.89x = 513,452.65
  5. Step 5: Solve for x
    x = 513,452.65/797.89
  6. Step 6: Final answer
    x = 643.51

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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.