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Finding the Fourth Proportional to 293.10, 438.98 and 224.39

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Solution

The fourth proportional to 293.10, 438.98 and 224.39 is: 336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.10 : 438.98 = 224.39 : x
  2. Step 2: Convert to fraction form
    293.10/438.98 = 224.39/x
  3. Step 3: Cross multiply
    293.10x = 438.98 × 224.39
  4. Step 4: Simplify right side
    293.10x = 98,499.41
  5. Step 5: Solve for x
    x = 98,499.41/293.10
  6. Step 6: Final answer
    x = 336.06

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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.