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Finding the Fourth Proportional to 411.17, 617.03 and 246.52

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Solution

The fourth proportional to 411.17, 617.03 and 246.52 is: 369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.17 : 617.03 = 246.52 : x
  2. Step 2: Convert to fraction form
    411.17/617.03 = 246.52/x
  3. Step 3: Cross multiply
    411.17x = 617.03 × 246.52
  4. Step 4: Simplify right side
    411.17x = 152,107.46
  5. Step 5: Solve for x
    x = 152,107.46/411.17
  6. Step 6: Final answer
    x = 369.94

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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.