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Finding the Fourth Proportional to 377.51, 521.03 and 246.56

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Solution

The fourth proportional to 377.51, 521.03 and 246.56 is: 340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.51 : 521.03 = 246.56 : x
  2. Step 2: Convert to fraction form
    377.51/521.03 = 246.56/x
  3. Step 3: Cross multiply
    377.51x = 521.03 × 246.56
  4. Step 4: Simplify right side
    377.51x = 128,463.17
  5. Step 5: Solve for x
    x = 128,463.17/377.51
  6. Step 6: Final answer
    x = 340.30

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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.