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Finding the Fourth Proportional to 541.61, 810.52 and 404.31

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Solution

The fourth proportional to 541.61, 810.52 and 404.31 is: 605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.61 : 810.52 = 404.31 : x
  2. Step 2: Convert to fraction form
    541.61/810.52 = 404.31/x
  3. Step 3: Cross multiply
    541.61x = 810.52 × 404.31
  4. Step 4: Simplify right side
    541.61x = 327,701.34
  5. Step 5: Solve for x
    x = 327,701.34/541.61
  6. Step 6: Final answer
    x = 605.05

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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.