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Finding the Fourth Proportional to 550.95, 828.05 and 544.47

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Solution

The fourth proportional to 550.95, 828.05 and 544.47 is: 818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.95 : 828.05 = 544.47 : x
  2. Step 2: Convert to fraction form
    550.95/828.05 = 544.47/x
  3. Step 3: Cross multiply
    550.95x = 828.05 × 544.47
  4. Step 4: Simplify right side
    550.95x = 450,845.66
  5. Step 5: Solve for x
    x = 450,845.66/550.95
  6. Step 6: Final answer
    x = 818.31

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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.