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Finding the Fourth Proportional to 541.44, 810.54 and 424.80

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Solution

The fourth proportional to 541.44, 810.54 and 424.80 is: 635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.44 : 810.54 = 424.80 : x
  2. Step 2: Convert to fraction form
    541.44/810.54 = 424.80/x
  3. Step 3: Cross multiply
    541.44x = 810.54 × 424.80
  4. Step 4: Simplify right side
    541.44x = 344,317.39
  5. Step 5: Solve for x
    x = 344,317.39/541.44
  6. Step 6: Final answer
    x = 635.93

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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.