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Finding the Fourth Proportional to 484.59, 730.54 and 453.27

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Solution

The fourth proportional to 484.59, 730.54 and 453.27 is: 683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.59 : 730.54 = 453.27 : x
  2. Step 2: Convert to fraction form
    484.59/730.54 = 453.27/x
  3. Step 3: Cross multiply
    484.59x = 730.54 × 453.27
  4. Step 4: Simplify right side
    484.59x = 331,130.73
  5. Step 5: Solve for x
    x = 331,130.73/484.59
  6. Step 6: Final answer
    x = 683.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.