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Finding the Fourth Proportional to 604.46, 907.14 and 398.96

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Solution

The fourth proportional to 604.46, 907.14 and 398.96 is: 598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.46 : 907.14 = 398.96 : x
  2. Step 2: Convert to fraction form
    604.46/907.14 = 398.96/x
  3. Step 3: Cross multiply
    604.46x = 907.14 × 398.96
  4. Step 4: Simplify right side
    604.46x = 361,908.04
  5. Step 5: Solve for x
    x = 361,908.04/604.46
  6. Step 6: Final answer
    x = 598.73

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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.