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Finding the Fourth Proportional to 379.10, 567.11 and 269.41

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Solution

The fourth proportional to 379.10, 567.11 and 269.41 is: 403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.10 : 567.11 = 269.41 : x
  2. Step 2: Convert to fraction form
    379.10/567.11 = 269.41/x
  3. Step 3: Cross multiply
    379.10x = 567.11 × 269.41
  4. Step 4: Simplify right side
    379.10x = 152,782.34
  5. Step 5: Solve for x
    x = 152,782.34/379.10
  6. Step 6: Final answer
    x = 403.01

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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.