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Finding the Fourth Proportional to 350.70, 482.58 and 301.38

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Solution

The fourth proportional to 350.70, 482.58 and 301.38 is: 414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.70 : 482.58 = 301.38 : x
  2. Step 2: Convert to fraction form
    350.70/482.58 = 301.38/x
  3. Step 3: Cross multiply
    350.70x = 482.58 × 301.38
  4. Step 4: Simplify right side
    350.70x = 145,439.96
  5. Step 5: Solve for x
    x = 145,439.96/350.70
  6. Step 6: Final answer
    x = 414.71

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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.