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Finding the Fourth Proportional to 484.14, 723.35 and 479.82

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Solution

The fourth proportional to 484.14, 723.35 and 479.82 is: 716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.14 : 723.35 = 479.82 : x
  2. Step 2: Convert to fraction form
    484.14/723.35 = 479.82/x
  3. Step 3: Cross multiply
    484.14x = 723.35 × 479.82
  4. Step 4: Simplify right side
    484.14x = 347,077.80
  5. Step 5: Solve for x
    x = 347,077.80/484.14
  6. Step 6: Final answer
    x = 716.90

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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.