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Finding the Fourth Proportional to 355.98, 534 and 150.64

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Solution

The fourth proportional to 355.98, 534 and 150.64 is: 225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.98 : 534 = 150.64 : x
  2. Step 2: Convert to fraction form
    355.98/534 = 150.64/x
  3. Step 3: Cross multiply
    355.98x = 534 × 150.64
  4. Step 4: Simplify right side
    355.98x = 80,441.76
  5. Step 5: Solve for x
    x = 80,441.76/355.98
  6. Step 6: Final answer
    x = 225.97

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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.