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Finding the Fourth Proportional to 264.25, 364.56 and 153.66

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Solution

The fourth proportional to 264.25, 364.56 and 153.66 is: 211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.25 : 364.56 = 153.66 : x
  2. Step 2: Convert to fraction form
    264.25/364.56 = 153.66/x
  3. Step 3: Cross multiply
    264.25x = 364.56 × 153.66
  4. Step 4: Simplify right side
    264.25x = 56,019.08
  5. Step 5: Solve for x
    x = 56,019.08/264.25
  6. Step 6: Final answer
    x = 211.99

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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.