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Finding the Fourth Proportional to 358.84, 537.18 and 262

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Solution

The fourth proportional to 358.84, 537.18 and 262 is: 392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.84 : 537.18 = 262 : x
  2. Step 2: Convert to fraction form
    358.84/537.18 = 262/x
  3. Step 3: Cross multiply
    358.84x = 537.18 × 262
  4. Step 4: Simplify right side
    358.84x = 140,741.16
  5. Step 5: Solve for x
    x = 140,741.16/358.84
  6. Step 6: Final answer
    x = 392.21

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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.