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Finding the Fourth Proportional to 548.32, 750.63 and 544.41

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Solution

The fourth proportional to 548.32, 750.63 and 544.41 is: 745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.32 : 750.63 = 544.41 : x
  2. Step 2: Convert to fraction form
    548.32/750.63 = 544.41/x
  3. Step 3: Cross multiply
    548.32x = 750.63 × 544.41
  4. Step 4: Simplify right side
    548.32x = 408,650.48
  5. Step 5: Solve for x
    x = 408,650.48/548.32
  6. Step 6: Final answer
    x = 745.28

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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.