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Finding the Fourth Proportional to 416.37, 576.96 and 411.33

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Solution

The fourth proportional to 416.37, 576.96 and 411.33 is: 569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.37 : 576.96 = 411.33 : x
  2. Step 2: Convert to fraction form
    416.37/576.96 = 411.33/x
  3. Step 3: Cross multiply
    416.37x = 576.96 × 411.33
  4. Step 4: Simplify right side
    416.37x = 237,320.96
  5. Step 5: Solve for x
    x = 237,320.96/416.37
  6. Step 6: Final answer
    x = 569.98

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.