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Finding the Fourth Proportional to 502.18, 749.79 and 496.96

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Solution

The fourth proportional to 502.18, 749.79 and 496.96 is: 742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.18 : 749.79 = 496.96 : x
  2. Step 2: Convert to fraction form
    502.18/749.79 = 496.96/x
  3. Step 3: Cross multiply
    502.18x = 749.79 × 496.96
  4. Step 4: Simplify right side
    502.18x = 372,615.64
  5. Step 5: Solve for x
    x = 372,615.64/502.18
  6. Step 6: Final answer
    x = 742.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.