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Finding the Fourth Proportional to 673, 927.93 and 548.40

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Solution

The fourth proportional to 673, 927.93 and 548.40 is: 756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    673 : 927.93 = 548.40 : x
  2. Step 2: Convert to fraction form
    673/927.93 = 548.40/x
  3. Step 3: Cross multiply
    673x = 927.93 × 548.40
  4. Step 4: Simplify right side
    673x = 508,876.81
  5. Step 5: Solve for x
    x = 508,876.81/673
  6. Step 6: Final answer
    x = 756.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.