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Finding the Fourth Proportional to 550.53, 753.14 and 548.19

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Solution

The fourth proportional to 550.53, 753.14 and 548.19 is: 749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.53 : 753.14 = 548.19 : x
  2. Step 2: Convert to fraction form
    550.53/753.14 = 548.19/x
  3. Step 3: Cross multiply
    550.53x = 753.14 × 548.19
  4. Step 4: Simplify right side
    550.53x = 412,865.19
  5. Step 5: Solve for x
    x = 412,865.19/550.53
  6. Step 6: Final answer
    x = 749.94

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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.