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Finding the Fourth Proportional to 335.64, 502.10 and 238.14

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Solution

The fourth proportional to 335.64, 502.10 and 238.14 is: 356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.64 : 502.10 = 238.14 : x
  2. Step 2: Convert to fraction form
    335.64/502.10 = 238.14/x
  3. Step 3: Cross multiply
    335.64x = 502.10 × 238.14
  4. Step 4: Simplify right side
    335.64x = 119,569.80
  5. Step 5: Solve for x
    x = 119,569.80/335.64
  6. Step 6: Final answer
    x = 356.24

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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.