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Finding the Fourth Proportional to 603.01, 904.79 and 329.09

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Solution

The fourth proportional to 603.01, 904.79 and 329.09 is: 493.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.01 : 904.79 = 329.09 : x
  2. Step 2: Convert to fraction form
    603.01/904.79 = 329.09/x
  3. Step 3: Cross multiply
    603.01x = 904.79 × 329.09
  4. Step 4: Simplify right side
    603.01x = 297,757.34
  5. Step 5: Solve for x
    x = 297,757.34/603.01
  6. Step 6: Final answer
    x = 493.79

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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.