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Finding the Fourth Proportional to 377.61, 567.06 and 361.41

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Solution

The fourth proportional to 377.61, 567.06 and 361.41 is: 542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.61 : 567.06 = 361.41 : x
  2. Step 2: Convert to fraction form
    377.61/567.06 = 361.41/x
  3. Step 3: Cross multiply
    377.61x = 567.06 × 361.41
  4. Step 4: Simplify right side
    377.61x = 204,941.15
  5. Step 5: Solve for x
    x = 204,941.15/377.61
  6. Step 6: Final answer
    x = 542.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.