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Finding the Fourth Proportional to 295.14, 407.32 and 164.16

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Solution

The fourth proportional to 295.14, 407.32 and 164.16 is: 226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.14 : 407.32 = 164.16 : x
  2. Step 2: Convert to fraction form
    295.14/407.32 = 164.16/x
  3. Step 3: Cross multiply
    295.14x = 407.32 × 164.16
  4. Step 4: Simplify right side
    295.14x = 66,865.65
  5. Step 5: Solve for x
    x = 66,865.65/295.14
  6. Step 6: Final answer
    x = 226.56

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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.