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Finding the Fourth Proportional to 303.23, 418.47 and 192.62

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Solution

The fourth proportional to 303.23, 418.47 and 192.62 is: 265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.23 : 418.47 = 192.62 : x
  2. Step 2: Convert to fraction form
    303.23/418.47 = 192.62/x
  3. Step 3: Cross multiply
    303.23x = 418.47 × 192.62
  4. Step 4: Simplify right side
    303.23x = 80,605.69
  5. Step 5: Solve for x
    x = 80,605.69/303.23
  6. Step 6: Final answer
    x = 265.82

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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.