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Finding the Fourth Proportional to 377.86, 566.98 and 326.82

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Solution

The fourth proportional to 377.86, 566.98 and 326.82 is: 490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.86 : 566.98 = 326.82 : x
  2. Step 2: Convert to fraction form
    377.86/566.98 = 326.82/x
  3. Step 3: Cross multiply
    377.86x = 566.98 × 326.82
  4. Step 4: Simplify right side
    377.86x = 185,300.40
  5. Step 5: Solve for x
    x = 185,300.40/377.86
  6. Step 6: Final answer
    x = 490.39

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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.