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Finding the Fourth Proportional to 265.07, 397.94 and 204.24

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Solution

The fourth proportional to 265.07, 397.94 and 204.24 is: 306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.07 : 397.94 = 204.24 : x
  2. Step 2: Convert to fraction form
    265.07/397.94 = 204.24/x
  3. Step 3: Cross multiply
    265.07x = 397.94 × 204.24
  4. Step 4: Simplify right side
    265.07x = 81,275.27
  5. Step 5: Solve for x
    x = 81,275.27/265.07
  6. Step 6: Final answer
    x = 306.62

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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.