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Finding the Fourth Proportional to 411.10, 567.47 and 301.46

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Solution

The fourth proportional to 411.10, 567.47 and 301.46 is: 416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.10 : 567.47 = 301.46 : x
  2. Step 2: Convert to fraction form
    411.10/567.47 = 301.46/x
  3. Step 3: Cross multiply
    411.10x = 567.47 × 301.46
  4. Step 4: Simplify right side
    411.10x = 171,067.42
  5. Step 5: Solve for x
    x = 171,067.42/411.10
  6. Step 6: Final answer
    x = 416.12

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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.