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Finding the Fourth Proportional to 602.15, 902.48 and 327.83

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Solution

The fourth proportional to 602.15, 902.48 and 327.83 is: 491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.15 : 902.48 = 327.83 : x
  2. Step 2: Convert to fraction form
    602.15/902.48 = 327.83/x
  3. Step 3: Cross multiply
    602.15x = 902.48 × 327.83
  4. Step 4: Simplify right side
    602.15x = 295,853.87
  5. Step 5: Solve for x
    x = 295,853.87/602.15
  6. Step 6: Final answer
    x = 491.33

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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.