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Finding the Fourth Proportional to 332.48, 498.90 and 224.36

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Solution

The fourth proportional to 332.48, 498.90 and 224.36 is: 336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.48 : 498.90 = 224.36 : x
  2. Step 2: Convert to fraction form
    332.48/498.90 = 224.36/x
  3. Step 3: Cross multiply
    332.48x = 498.90 × 224.36
  4. Step 4: Simplify right side
    332.48x = 111,933.20
  5. Step 5: Solve for x
    x = 111,933.20/332.48
  6. Step 6: Final answer
    x = 336.66

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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.