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Finding the Fourth Proportional to 264.12, 364.53 and 153.58

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Solution

The fourth proportional to 264.12, 364.53 and 153.58 is: 211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.12 : 364.53 = 153.58 : x
  2. Step 2: Convert to fraction form
    264.12/364.53 = 153.58/x
  3. Step 3: Cross multiply
    264.12x = 364.53 × 153.58
  4. Step 4: Simplify right side
    264.12x = 55,984.52
  5. Step 5: Solve for x
    x = 55,984.52/264.12
  6. Step 6: Final answer
    x = 211.97

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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.