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Finding the Fourth Proportional to 295.31, 407.53 and 164.33

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Solution

The fourth proportional to 295.31, 407.53 and 164.33 is: 226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.31 : 407.53 = 164.33 : x
  2. Step 2: Convert to fraction form
    295.31/407.53 = 164.33/x
  3. Step 3: Cross multiply
    295.31x = 407.53 × 164.33
  4. Step 4: Simplify right side
    295.31x = 66,969.10
  5. Step 5: Solve for x
    x = 66,969.10/295.31
  6. Step 6: Final answer
    x = 226.77

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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.