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Finding the Fourth Proportional to 332.43, 458.88 and 228.06

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Solution

The fourth proportional to 332.43, 458.88 and 228.06 is: 314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.43 : 458.88 = 228.06 : x
  2. Step 2: Convert to fraction form
    332.43/458.88 = 228.06/x
  3. Step 3: Cross multiply
    332.43x = 458.88 × 228.06
  4. Step 4: Simplify right side
    332.43x = 104,652.17
  5. Step 5: Solve for x
    x = 104,652.17/332.43
  6. Step 6: Final answer
    x = 314.81

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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.