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Finding the Fourth Proportional to 502.58, 755.03 and 356.69

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Solution

The fourth proportional to 502.58, 755.03 and 356.69 is: 535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.58 : 755.03 = 356.69 : x
  2. Step 2: Convert to fraction form
    502.58/755.03 = 356.69/x
  3. Step 3: Cross multiply
    502.58x = 755.03 × 356.69
  4. Step 4: Simplify right side
    502.58x = 269,311.75
  5. Step 5: Solve for x
    x = 269,311.75/502.58
  6. Step 6: Final answer
    x = 535.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.