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Finding the Fourth Proportional to 582.37, 872.33 and 338.35

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Solution

The fourth proportional to 582.37, 872.33 and 338.35 is: 506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.37 : 872.33 = 338.35 : x
  2. Step 2: Convert to fraction form
    582.37/872.33 = 338.35/x
  3. Step 3: Cross multiply
    582.37x = 872.33 × 338.35
  4. Step 4: Simplify right side
    582.37x = 295,152.86
  5. Step 5: Solve for x
    x = 295,152.86/582.37
  6. Step 6: Final answer
    x = 506.81

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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.