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Finding the Fourth Proportional to 566.87, 850.26 and 258.51

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Solution

The fourth proportional to 566.87, 850.26 and 258.51 is: 387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.87 : 850.26 = 258.51 : x
  2. Step 2: Convert to fraction form
    566.87/850.26 = 258.51/x
  3. Step 3: Cross multiply
    566.87x = 850.26 × 258.51
  4. Step 4: Simplify right side
    566.87x = 219,800.09
  5. Step 5: Solve for x
    x = 219,800.09/566.87
  6. Step 6: Final answer
    x = 387.75

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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.