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Finding the Fourth Proportional to 377.73, 563.95 and 354.56

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Solution

The fourth proportional to 377.73, 563.95 and 354.56 is: 529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.73 : 563.95 = 354.56 : x
  2. Step 2: Convert to fraction form
    377.73/563.95 = 354.56/x
  3. Step 3: Cross multiply
    377.73x = 563.95 × 354.56
  4. Step 4: Simplify right side
    377.73x = 199,951.74
  5. Step 5: Solve for x
    x = 199,951.74/377.73
  6. Step 6: Final answer
    x = 529.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.