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Finding the Fourth Proportional to 351.19, 484.03 and 301.87

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Solution

The fourth proportional to 351.19, 484.03 and 301.87 is: 416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.19 : 484.03 = 301.87 : x
  2. Step 2: Convert to fraction form
    351.19/484.03 = 301.87/x
  3. Step 3: Cross multiply
    351.19x = 484.03 × 301.87
  4. Step 4: Simplify right side
    351.19x = 146,114.14
  5. Step 5: Solve for x
    x = 146,114.14/351.19
  6. Step 6: Final answer
    x = 416.05

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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.