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Finding the Fourth Proportional to 548.04, 761.25 and 539.22

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Solution

The fourth proportional to 548.04, 761.25 and 539.22 is: 749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.04 : 761.25 = 539.22 : x
  2. Step 2: Convert to fraction form
    548.04/761.25 = 539.22/x
  3. Step 3: Cross multiply
    548.04x = 761.25 × 539.22
  4. Step 4: Simplify right side
    548.04x = 410,481.23
  5. Step 5: Solve for x
    x = 410,481.23/548.04
  6. Step 6: Final answer
    x = 749.00

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.