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Finding the Fourth Proportional to 404.52, 557.97 and 262.94

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Solution

The fourth proportional to 404.52, 557.97 and 262.94 is: 362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.52 : 557.97 = 262.94 : x
  2. Step 2: Convert to fraction form
    404.52/557.97 = 262.94/x
  3. Step 3: Cross multiply
    404.52x = 557.97 × 262.94
  4. Step 4: Simplify right side
    404.52x = 146,709.84
  5. Step 5: Solve for x
    x = 146,709.84/404.52
  6. Step 6: Final answer
    x = 362.68

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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.