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Finding the Fourth Proportional to 604.04, 905.94 and 238.76

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Solution

The fourth proportional to 604.04, 905.94 and 238.76 is: 358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.04 : 905.94 = 238.76 : x
  2. Step 2: Convert to fraction form
    604.04/905.94 = 238.76/x
  3. Step 3: Cross multiply
    604.04x = 905.94 × 238.76
  4. Step 4: Simplify right side
    604.04x = 216,302.23
  5. Step 5: Solve for x
    x = 216,302.23/604.04
  6. Step 6: Final answer
    x = 358.09

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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.