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Finding the Fourth Proportional to 332.01, 457.80 and 227.16

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Solution

The fourth proportional to 332.01, 457.80 and 227.16 is: 313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.01 : 457.80 = 227.16 : x
  2. Step 2: Convert to fraction form
    332.01/457.80 = 227.16/x
  3. Step 3: Cross multiply
    332.01x = 457.80 × 227.16
  4. Step 4: Simplify right side
    332.01x = 103,993.85
  5. Step 5: Solve for x
    x = 103,993.85/332.01
  6. Step 6: Final answer
    x = 313.23

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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.