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Finding the Fourth Proportional to 264.66, 396.66 and 148.93

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Solution

The fourth proportional to 264.66, 396.66 and 148.93 is: 223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.66 : 396.66 = 148.93 : x
  2. Step 2: Convert to fraction form
    264.66/396.66 = 148.93/x
  3. Step 3: Cross multiply
    264.66x = 396.66 × 148.93
  4. Step 4: Simplify right side
    264.66x = 59,074.57
  5. Step 5: Solve for x
    x = 59,074.57/264.66
  6. Step 6: Final answer
    x = 223.21

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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.