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Finding the Fourth Proportional to 673.43, 925.38 and 548.82

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Solution

The fourth proportional to 673.43, 925.38 and 548.82 is: 754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.43 : 925.38 = 548.82 : x
  2. Step 2: Convert to fraction form
    673.43/925.38 = 548.82/x
  3. Step 3: Cross multiply
    673.43x = 925.38 × 548.82
  4. Step 4: Simplify right side
    673.43x = 507,867.05
  5. Step 5: Solve for x
    x = 507,867.05/673.43
  6. Step 6: Final answer
    x = 754.16

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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.