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Finding the Fourth Proportional to 484.76, 727.14 and 302.24

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Solution

The fourth proportional to 484.76, 727.14 and 302.24 is: 453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.76 : 727.14 = 302.24 : x
  2. Step 2: Convert to fraction form
    484.76/727.14 = 302.24/x
  3. Step 3: Cross multiply
    484.76x = 727.14 × 302.24
  4. Step 4: Simplify right side
    484.76x = 219,770.79
  5. Step 5: Solve for x
    x = 219,770.79/484.76
  6. Step 6: Final answer
    x = 453.36

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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.