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Finding the Fourth Proportional to 541.92, 810.98 and 404.62

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Solution

The fourth proportional to 541.92, 810.98 and 404.62 is: 605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.92 : 810.98 = 404.62 : x
  2. Step 2: Convert to fraction form
    541.92/810.98 = 404.62/x
  3. Step 3: Cross multiply
    541.92x = 810.98 × 404.62
  4. Step 4: Simplify right side
    541.92x = 328,138.73
  5. Step 5: Solve for x
    x = 328,138.73/541.92
  6. Step 6: Final answer
    x = 605.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.