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Finding the Fourth Proportional to 264.41, 364.54 and 216.97

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Solution

The fourth proportional to 264.41, 364.54 and 216.97 is: 299.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.41 : 364.54 = 216.97 : x
  2. Step 2: Convert to fraction form
    264.41/364.54 = 216.97/x
  3. Step 3: Cross multiply
    264.41x = 364.54 × 216.97
  4. Step 4: Simplify right side
    264.41x = 79,095.07
  5. Step 5: Solve for x
    x = 79,095.07/264.41
  6. Step 6: Final answer
    x = 299.14

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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.