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Finding the Fourth Proportional to 513.93, 773.87 and 377.93

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Solution

The fourth proportional to 513.93, 773.87 and 377.93 is: 569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    513.93 : 773.87 = 377.93 : x
  2. Step 2: Convert to fraction form
    513.93/773.87 = 377.93/x
  3. Step 3: Cross multiply
    513.93x = 773.87 × 377.93
  4. Step 4: Simplify right side
    513.93x = 292,468.73
  5. Step 5: Solve for x
    x = 292,468.73/513.93
  6. Step 6: Final answer
    x = 569.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.