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Finding the Fourth Proportional to 494.76, 740.52 and 339.48

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Solution

The fourth proportional to 494.76, 740.52 and 339.48 is: 508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.76 : 740.52 = 339.48 : x
  2. Step 2: Convert to fraction form
    494.76/740.52 = 339.48/x
  3. Step 3: Cross multiply
    494.76x = 740.52 × 339.48
  4. Step 4: Simplify right side
    494.76x = 251,391.73
  5. Step 5: Solve for x
    x = 251,391.73/494.76
  6. Step 6: Final answer
    x = 508.11

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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.