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Finding the Fourth Proportional to 361.24, 498.40 and 237

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Solution

The fourth proportional to 361.24, 498.40 and 237 is: 326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.24 : 498.40 = 237 : x
  2. Step 2: Convert to fraction form
    361.24/498.40 = 237/x
  3. Step 3: Cross multiply
    361.24x = 498.40 × 237
  4. Step 4: Simplify right side
    361.24x = 118,120.80
  5. Step 5: Solve for x
    x = 118,120.80/361.24
  6. Step 6: Final answer
    x = 326.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.