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Finding the Fourth Proportional to 577.77, 796.23 and 472.53

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Solution

The fourth proportional to 577.77, 796.23 and 472.53 is: 651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.77 : 796.23 = 472.53 : x
  2. Step 2: Convert to fraction form
    577.77/796.23 = 472.53/x
  3. Step 3: Cross multiply
    577.77x = 796.23 × 472.53
  4. Step 4: Simplify right side
    577.77x = 376,245.55
  5. Step 5: Solve for x
    x = 376,245.55/577.77
  6. Step 6: Final answer
    x = 651.21

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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.