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Finding the Fourth Proportional to 379.12, 571.84 and 334.03

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Solution

The fourth proportional to 379.12, 571.84 and 334.03 is: 503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.12 : 571.84 = 334.03 : x
  2. Step 2: Convert to fraction form
    379.12/571.84 = 334.03/x
  3. Step 3: Cross multiply
    379.12x = 571.84 × 334.03
  4. Step 4: Simplify right side
    379.12x = 191,011.72
  5. Step 5: Solve for x
    x = 191,011.72/379.12
  6. Step 6: Final answer
    x = 503.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.