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Finding the Fourth Proportional to 377.18, 559.10 and 371.38

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Solution

The fourth proportional to 377.18, 559.10 and 371.38 is: 550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.18 : 559.10 = 371.38 : x
  2. Step 2: Convert to fraction form
    377.18/559.10 = 371.38/x
  3. Step 3: Cross multiply
    377.18x = 559.10 × 371.38
  4. Step 4: Simplify right side
    377.18x = 207,635.76
  5. Step 5: Solve for x
    x = 207,635.76/377.18
  6. Step 6: Final answer
    x = 550.50

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.