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Finding the Fourth Proportional to 190.08, 263.04 and 164.16

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Solution

The fourth proportional to 190.08, 263.04 and 164.16 is: 227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.08 : 263.04 = 164.16 : x
  2. Step 2: Convert to fraction form
    190.08/263.04 = 164.16/x
  3. Step 3: Cross multiply
    190.08x = 263.04 × 164.16
  4. Step 4: Simplify right side
    190.08x = 43,180.65
  5. Step 5: Solve for x
    x = 43,180.65/190.08
  6. Step 6: Final answer
    x = 227.17

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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.