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Finding the Fourth Proportional to 295.17, 407.33 and 164.17

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Solution

The fourth proportional to 295.17, 407.33 and 164.17 is: 226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.17 : 407.33 = 164.17 : x
  2. Step 2: Convert to fraction form
    295.17/407.33 = 164.17/x
  3. Step 3: Cross multiply
    295.17x = 407.33 × 164.17
  4. Step 4: Simplify right side
    295.17x = 66,871.37
  5. Step 5: Solve for x
    x = 66,871.37/295.17
  6. Step 6: Final answer
    x = 226.55

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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.