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Finding the Fourth Proportional to 377.99, 521.71 and 246.92

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Solution

The fourth proportional to 377.99, 521.71 and 246.92 is: 340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.99 : 521.71 = 246.92 : x
  2. Step 2: Convert to fraction form
    377.99/521.71 = 246.92/x
  3. Step 3: Cross multiply
    377.99x = 521.71 × 246.92
  4. Step 4: Simplify right side
    377.99x = 128,822.25
  5. Step 5: Solve for x
    x = 128,822.25/377.99
  6. Step 6: Final answer
    x = 340.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.