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Finding the Fourth Proportional to 650.18, 896.72 and 503.22

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Solution

The fourth proportional to 650.18, 896.72 and 503.22 is: 694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.18 : 896.72 = 503.22 : x
  2. Step 2: Convert to fraction form
    650.18/896.72 = 503.22/x
  3. Step 3: Cross multiply
    650.18x = 896.72 × 503.22
  4. Step 4: Simplify right side
    650.18x = 451,247.44
  5. Step 5: Solve for x
    x = 451,247.44/650.18
  6. Step 6: Final answer
    x = 694.03

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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.