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Finding the Fourth Proportional to 579.95, 795.56 and 548.55

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Solution

The fourth proportional to 579.95, 795.56 and 548.55 is: 752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.95 : 795.56 = 548.55 : x
  2. Step 2: Convert to fraction form
    579.95/795.56 = 548.55/x
  3. Step 3: Cross multiply
    579.95x = 795.56 × 548.55
  4. Step 4: Simplify right side
    579.95x = 436,401.70
  5. Step 5: Solve for x
    x = 436,401.70/579.95
  6. Step 6: Final answer
    x = 752.49

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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.