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Finding the Fourth Proportional to 365.64, 547.74 and 237

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Solution

The fourth proportional to 365.64, 547.74 and 237 is: 355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.64 : 547.74 = 237 : x
  2. Step 2: Convert to fraction form
    365.64/547.74 = 237/x
  3. Step 3: Cross multiply
    365.64x = 547.74 × 237
  4. Step 4: Simplify right side
    365.64x = 129,814.38
  5. Step 5: Solve for x
    x = 129,814.38/365.64
  6. Step 6: Final answer
    x = 355.03

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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.