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Finding the Fourth Proportional to 582.73, 874.20 and 375.85

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Solution

The fourth proportional to 582.73, 874.20 and 375.85 is: 563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.73 : 874.20 = 375.85 : x
  2. Step 2: Convert to fraction form
    582.73/874.20 = 375.85/x
  3. Step 3: Cross multiply
    582.73x = 874.20 × 375.85
  4. Step 4: Simplify right side
    582.73x = 328,568.07
  5. Step 5: Solve for x
    x = 328,568.07/582.73
  6. Step 6: Final answer
    x = 563.84

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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.