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Finding the Fourth Proportional to 377.29, 565.55 and 223.19

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Solution

The fourth proportional to 377.29, 565.55 and 223.19 is: 334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.29 : 565.55 = 223.19 : x
  2. Step 2: Convert to fraction form
    377.29/565.55 = 223.19/x
  3. Step 3: Cross multiply
    377.29x = 565.55 × 223.19
  4. Step 4: Simplify right side
    377.29x = 126,221.16
  5. Step 5: Solve for x
    x = 126,221.16/377.29
  6. Step 6: Final answer
    x = 334.55

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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.