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Finding the Fourth Proportional to 409.97, 565.74 and 244.20

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Solution

The fourth proportional to 409.97, 565.74 and 244.20 is: 336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    409.97 : 565.74 = 244.20 : x
  2. Step 2: Convert to fraction form
    409.97/565.74 = 244.20/x
  3. Step 3: Cross multiply
    409.97x = 565.74 × 244.20
  4. Step 4: Simplify right side
    409.97x = 138,152.49
  5. Step 5: Solve for x
    x = 138,152.49/409.97
  6. Step 6: Final answer
    x = 336.98

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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.