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Finding the Fourth Proportional to 502.41, 749.98 and 479.94

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Solution

The fourth proportional to 502.41, 749.98 and 479.94 is: 716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.41 : 749.98 = 479.94 : x
  2. Step 2: Convert to fraction form
    502.41/749.98 = 479.94/x
  3. Step 3: Cross multiply
    502.41x = 749.98 × 479.94
  4. Step 4: Simplify right side
    502.41x = 359,945.40
  5. Step 5: Solve for x
    x = 359,945.40/502.41
  6. Step 6: Final answer
    x = 716.44

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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.