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Finding the Fourth Proportional to 650.15, 897.41 and 617.09

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Solution

The fourth proportional to 650.15, 897.41 and 617.09 is: 851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.15 : 897.41 = 617.09 : x
  2. Step 2: Convert to fraction form
    650.15/897.41 = 617.09/x
  3. Step 3: Cross multiply
    650.15x = 897.41 × 617.09
  4. Step 4: Simplify right side
    650.15x = 553,775.16
  5. Step 5: Solve for x
    x = 553,775.16/650.15
  6. Step 6: Final answer
    x = 851.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.