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Finding the Fourth Proportional to 321.03, 484.04 and 294.03

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Solution

The fourth proportional to 321.03, 484.04 and 294.03 is: 443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    321.03 : 484.04 = 294.03 : x
  2. Step 2: Convert to fraction form
    321.03/484.04 = 294.03/x
  3. Step 3: Cross multiply
    321.03x = 484.04 × 294.03
  4. Step 4: Simplify right side
    321.03x = 142,323.02
  5. Step 5: Solve for x
    x = 142,323.02/321.03
  6. Step 6: Final answer
    x = 443.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.