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Finding the Fourth Proportional to 577.50, 794.66 and 562.20

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Solution

The fourth proportional to 577.50, 794.66 and 562.20 is: 773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.50 : 794.66 = 562.20 : x
  2. Step 2: Convert to fraction form
    577.50/794.66 = 562.20/x
  3. Step 3: Cross multiply
    577.50x = 794.66 × 562.20
  4. Step 4: Simplify right side
    577.50x = 446,757.85
  5. Step 5: Solve for x
    x = 446,757.85/577.50
  6. Step 6: Final answer
    x = 773.61

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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.