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Finding the Fourth Proportional to 264.81, 397.01 and 149.59

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Solution

The fourth proportional to 264.81, 397.01 and 149.59 is: 224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.81 : 397.01 = 149.59 : x
  2. Step 2: Convert to fraction form
    264.81/397.01 = 149.59/x
  3. Step 3: Cross multiply
    264.81x = 397.01 × 149.59
  4. Step 4: Simplify right side
    264.81x = 59,388.11
  5. Step 5: Solve for x
    x = 59,388.11/264.81
  6. Step 6: Final answer
    x = 224.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.