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Finding the Fourth Proportional to 292.44, 438.30 and 224.19

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Solution

The fourth proportional to 292.44, 438.30 and 224.19 is: 336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.44 : 438.30 = 224.19 : x
  2. Step 2: Convert to fraction form
    292.44/438.30 = 224.19/x
  3. Step 3: Cross multiply
    292.44x = 438.30 × 224.19
  4. Step 4: Simplify right side
    292.44x = 98,262.48
  5. Step 5: Solve for x
    x = 98,262.48/292.44
  6. Step 6: Final answer
    x = 336.01

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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.