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Finding the Fourth Proportional to 625.05, 866.57 and 610.47

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Solution

The fourth proportional to 625.05, 866.57 and 610.47 is: 846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.05 : 866.57 = 610.47 : x
  2. Step 2: Convert to fraction form
    625.05/866.57 = 610.47/x
  3. Step 3: Cross multiply
    625.05x = 866.57 × 610.47
  4. Step 4: Simplify right side
    625.05x = 529,011.94
  5. Step 5: Solve for x
    x = 529,011.94/625.05
  6. Step 6: Final answer
    x = 846.35

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.