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Finding the Fourth Proportional to 358.16, 537.24 and 262.16

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Solution

The fourth proportional to 358.16, 537.24 and 262.16 is: 393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.16 : 537.24 = 262.16 : x
  2. Step 2: Convert to fraction form
    358.16/537.24 = 262.16/x
  3. Step 3: Cross multiply
    358.16x = 537.24 × 262.16
  4. Step 4: Simplify right side
    358.16x = 140,842.84
  5. Step 5: Solve for x
    x = 140,842.84/358.16
  6. Step 6: Final answer
    x = 393.24

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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.