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Finding the Fourth Proportional to 301.50, 416.10 and 185.04

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Solution

The fourth proportional to 301.50, 416.10 and 185.04 is: 255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.50 : 416.10 = 185.04 : x
  2. Step 2: Convert to fraction form
    301.50/416.10 = 185.04/x
  3. Step 3: Cross multiply
    301.50x = 416.10 × 185.04
  4. Step 4: Simplify right side
    301.50x = 76,995.14
  5. Step 5: Solve for x
    x = 76,995.14/301.50
  6. Step 6: Final answer
    x = 255.37

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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.