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Finding the Fourth Proportional to 302.61, 418.19 and 244.29

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Solution

The fourth proportional to 302.61, 418.19 and 244.29 is: 337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.61 : 418.19 = 244.29 : x
  2. Step 2: Convert to fraction form
    302.61/418.19 = 244.29/x
  3. Step 3: Cross multiply
    302.61x = 418.19 × 244.29
  4. Step 4: Simplify right side
    302.61x = 102,158.41
  5. Step 5: Solve for x
    x = 102,158.41/302.61
  6. Step 6: Final answer
    x = 337.59

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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.