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Finding the Fourth Proportional to 377.93, 568.92 and 291.74

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Solution

The fourth proportional to 377.93, 568.92 and 291.74 is: 439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.93 : 568.92 = 291.74 : x
  2. Step 2: Convert to fraction form
    377.93/568.92 = 291.74/x
  3. Step 3: Cross multiply
    377.93x = 568.92 × 291.74
  4. Step 4: Simplify right side
    377.93x = 165,974.97
  5. Step 5: Solve for x
    x = 165,974.97/377.93
  6. Step 6: Final answer
    x = 439.17

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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.