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Finding the Fourth Proportional to 604.91, 908.47 and 374.36

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Solution

The fourth proportional to 604.91, 908.47 and 374.36 is: 562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.91 : 908.47 = 374.36 : x
  2. Step 2: Convert to fraction form
    604.91/908.47 = 374.36/x
  3. Step 3: Cross multiply
    604.91x = 908.47 × 374.36
  4. Step 4: Simplify right side
    604.91x = 340,090.29
  5. Step 5: Solve for x
    x = 340,090.29/604.91
  6. Step 6: Final answer
    x = 562.22

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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.