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Finding the Fourth Proportional to 302.11, 453.43 and 224.89

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Solution

The fourth proportional to 302.11, 453.43 and 224.89 is: 337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.11 : 453.43 = 224.89 : x
  2. Step 2: Convert to fraction form
    302.11/453.43 = 224.89/x
  3. Step 3: Cross multiply
    302.11x = 453.43 × 224.89
  4. Step 4: Simplify right side
    302.11x = 101,969.61
  5. Step 5: Solve for x
    x = 101,969.61/302.11
  6. Step 6: Final answer
    x = 337.53

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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.