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Finding the Fourth Proportional to 493.39, 736.04 and 479.98

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Solution

The fourth proportional to 493.39, 736.04 and 479.98 is: 716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.39 : 736.04 = 479.98 : x
  2. Step 2: Convert to fraction form
    493.39/736.04 = 479.98/x
  3. Step 3: Cross multiply
    493.39x = 736.04 × 479.98
  4. Step 4: Simplify right side
    493.39x = 353,278.40
  5. Step 5: Solve for x
    x = 353,278.40/493.39
  6. Step 6: Final answer
    x = 716.03

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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.