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Finding the Fourth Proportional to 301.00, 415.03 and 245.56

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Solution

The fourth proportional to 301.00, 415.03 and 245.56 is: 338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.00 : 415.03 = 245.56 : x
  2. Step 2: Convert to fraction form
    301.00/415.03 = 245.56/x
  3. Step 3: Cross multiply
    301.00x = 415.03 × 245.56
  4. Step 4: Simplify right side
    301.00x = 101,914.77
  5. Step 5: Solve for x
    x = 101,914.77/301.00
  6. Step 6: Final answer
    x = 338.59

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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.