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Finding the Fourth Proportional to 295.19, 407.33 and 164.18

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Solution

The fourth proportional to 295.19, 407.33 and 164.18 is: 226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.19 : 407.33 = 164.18 : x
  2. Step 2: Convert to fraction form
    295.19/407.33 = 164.18/x
  3. Step 3: Cross multiply
    295.19x = 407.33 × 164.18
  4. Step 4: Simplify right side
    295.19x = 66,872.58
  5. Step 5: Solve for x
    x = 66,872.58/295.19
  6. Step 6: Final answer
    x = 226.54

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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.