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Finding the Fourth Proportional to 550.13, 754.52 and 484.52

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Solution

The fourth proportional to 550.13, 754.52 and 484.52 is: 664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.13 : 754.52 = 484.52 : x
  2. Step 2: Convert to fraction form
    550.13/754.52 = 484.52/x
  3. Step 3: Cross multiply
    550.13x = 754.52 × 484.52
  4. Step 4: Simplify right side
    550.13x = 365,573.84
  5. Step 5: Solve for x
    x = 365,573.84/550.13
  6. Step 6: Final answer
    x = 664.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.