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Finding the Fourth Proportional to 379.08, 572.27 and 376.92

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Solution

The fourth proportional to 379.08, 572.27 and 376.92 is: 569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.08 : 572.27 = 376.92 : x
  2. Step 2: Convert to fraction form
    379.08/572.27 = 376.92/x
  3. Step 3: Cross multiply
    379.08x = 572.27 × 376.92
  4. Step 4: Simplify right side
    379.08x = 215,698.12
  5. Step 5: Solve for x
    x = 215,698.12/379.08
  6. Step 6: Final answer
    x = 569.00

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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.