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Finding the Fourth Proportional to 302.43, 416.86 and 204.01

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Solution

The fourth proportional to 302.43, 416.86 and 204.01 is: 281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.43 : 416.86 = 204.01 : x
  2. Step 2: Convert to fraction form
    302.43/416.86 = 204.01/x
  3. Step 3: Cross multiply
    302.43x = 416.86 × 204.01
  4. Step 4: Simplify right side
    302.43x = 85,044.38
  5. Step 5: Solve for x
    x = 85,044.38/302.43
  6. Step 6: Final answer
    x = 281.21

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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.