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Finding the Fourth Proportional to 333.63, 460.62 and 228.75

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Solution

The fourth proportional to 333.63, 460.62 and 228.75 is: 315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.63 : 460.62 = 228.75 : x
  2. Step 2: Convert to fraction form
    333.63/460.62 = 228.75/x
  3. Step 3: Cross multiply
    333.63x = 460.62 × 228.75
  4. Step 4: Simplify right side
    333.63x = 105,366.83
  5. Step 5: Solve for x
    x = 105,366.83/333.63
  6. Step 6: Final answer
    x = 315.82

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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.