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Finding the Fourth Proportional to 404.73, 562.28 and 400.94

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Solution

The fourth proportional to 404.73, 562.28 and 400.94 is: 557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.73 : 562.28 = 400.94 : x
  2. Step 2: Convert to fraction form
    404.73/562.28 = 400.94/x
  3. Step 3: Cross multiply
    404.73x = 562.28 × 400.94
  4. Step 4: Simplify right side
    404.73x = 225,435.73
  5. Step 5: Solve for x
    x = 225,435.73/404.73
  6. Step 6: Final answer
    x = 557.00

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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.