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Finding the Fourth Proportional to 604.67, 835.46 and 589.11

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Solution

The fourth proportional to 604.67, 835.46 and 589.11 is: 813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.67 : 835.46 = 589.11 : x
  2. Step 2: Convert to fraction form
    604.67/835.46 = 589.11/x
  3. Step 3: Cross multiply
    604.67x = 835.46 × 589.11
  4. Step 4: Simplify right side
    604.67x = 492,177.28
  5. Step 5: Solve for x
    x = 492,177.28/604.67
  6. Step 6: Final answer
    x = 813.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.