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Finding the Fourth Proportional to 582.97, 874.46 and 258.28

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Solution

The fourth proportional to 582.97, 874.46 and 258.28 is: 387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.97 : 874.46 = 258.28 : x
  2. Step 2: Convert to fraction form
    582.97/874.46 = 258.28/x
  3. Step 3: Cross multiply
    582.97x = 874.46 × 258.28
  4. Step 4: Simplify right side
    582.97x = 225,849.87
  5. Step 5: Solve for x
    x = 225,849.87/582.97
  6. Step 6: Final answer
    x = 387.41

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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.