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Finding the Fourth Proportional to 604.23, 906.44 and 238.97

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Solution

The fourth proportional to 604.23, 906.44 and 238.97 is: 358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.23 : 906.44 = 238.97 : x
  2. Step 2: Convert to fraction form
    604.23/906.44 = 238.97/x
  3. Step 3: Cross multiply
    604.23x = 906.44 × 238.97
  4. Step 4: Simplify right side
    604.23x = 216,606.24
  5. Step 5: Solve for x
    x = 216,606.24/604.23
  6. Step 6: Final answer
    x = 358.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.