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Finding the Fourth Proportional to 602.29, 902.82 and 327.81

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Solution

The fourth proportional to 602.29, 902.82 and 327.81 is: 491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.29 : 902.82 = 327.81 : x
  2. Step 2: Convert to fraction form
    602.29/902.82 = 327.81/x
  3. Step 3: Cross multiply
    602.29x = 902.82 × 327.81
  4. Step 4: Simplify right side
    602.29x = 295,954.65
  5. Step 5: Solve for x
    x = 295,954.65/602.29
  6. Step 6: Final answer
    x = 491.38

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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.