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Finding the Fourth Proportional to 377.41, 565.99 and 146.29

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Solution

The fourth proportional to 377.41, 565.99 and 146.29 is: 219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.41 : 565.99 = 146.29 : x
  2. Step 2: Convert to fraction form
    377.41/565.99 = 146.29/x
  3. Step 3: Cross multiply
    377.41x = 565.99 × 146.29
  4. Step 4: Simplify right side
    377.41x = 82,798.68
  5. Step 5: Solve for x
    x = 82,798.68/377.41
  6. Step 6: Final answer
    x = 219.39

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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.