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Finding the Fourth Proportional to 332.04, 457.52 and 227.15

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Solution

The fourth proportional to 332.04, 457.52 and 227.15 is: 312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.04 : 457.52 = 227.15 : x
  2. Step 2: Convert to fraction form
    332.04/457.52 = 227.15/x
  3. Step 3: Cross multiply
    332.04x = 457.52 × 227.15
  4. Step 4: Simplify right side
    332.04x = 103,922.24
  5. Step 5: Solve for x
    x = 103,922.24/332.04
  6. Step 6: Final answer
    x = 312.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.