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Finding the Fourth Proportional to 411.62, 568.06 and 293.82

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Solution

The fourth proportional to 411.62, 568.06 and 293.82 is: 405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.62 : 568.06 = 293.82 : x
  2. Step 2: Convert to fraction form
    411.62/568.06 = 293.82/x
  3. Step 3: Cross multiply
    411.62x = 568.06 × 293.82
  4. Step 4: Simplify right side
    411.62x = 166,907.39
  5. Step 5: Solve for x
    x = 166,907.39/411.62
  6. Step 6: Final answer
    x = 405.49

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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.