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Finding the Fourth Proportional to 264.66, 364.38 and 230.16

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Solution

The fourth proportional to 264.66, 364.38 and 230.16 is: 316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.66 : 364.38 = 230.16 : x
  2. Step 2: Convert to fraction form
    264.66/364.38 = 230.16/x
  3. Step 3: Cross multiply
    264.66x = 364.38 × 230.16
  4. Step 4: Simplify right side
    264.66x = 83,865.70
  5. Step 5: Solve for x
    x = 83,865.70/264.66
  6. Step 6: Final answer
    x = 316.88

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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.