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Finding the Fourth Proportional to 377.56, 568.77 and 372.78

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Solution

The fourth proportional to 377.56, 568.77 and 372.78 is: 561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.56 : 568.77 = 372.78 : x
  2. Step 2: Convert to fraction form
    377.56/568.77 = 372.78/x
  3. Step 3: Cross multiply
    377.56x = 568.77 × 372.78
  4. Step 4: Simplify right side
    377.56x = 212,025.18
  5. Step 5: Solve for x
    x = 212,025.18/377.56
  6. Step 6: Final answer
    x = 561.56

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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.