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Finding the Fourth Proportional to 502.56, 753.83 and 245.88

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Solution

The fourth proportional to 502.56, 753.83 and 245.88 is: 368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.56 : 753.83 = 245.88 : x
  2. Step 2: Convert to fraction form
    502.56/753.83 = 245.88/x
  3. Step 3: Cross multiply
    502.56x = 753.83 × 245.88
  4. Step 4: Simplify right side
    502.56x = 185,351.72
  5. Step 5: Solve for x
    x = 185,351.72/502.56
  6. Step 6: Final answer
    x = 368.82

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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.