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Finding the Fourth Proportional to 499.70, 744.28 and 473.68

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Solution

The fourth proportional to 499.70, 744.28 and 473.68 is: 705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.70 : 744.28 = 473.68 : x
  2. Step 2: Convert to fraction form
    499.70/744.28 = 473.68/x
  3. Step 3: Cross multiply
    499.70x = 744.28 × 473.68
  4. Step 4: Simplify right side
    499.70x = 352,550.55
  5. Step 5: Solve for x
    x = 352,550.55/499.70
  6. Step 6: Final answer
    x = 705.52

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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.