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Finding the Fourth Proportional to 650.70, 896.87 and 503.15

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Solution

The fourth proportional to 650.70, 896.87 and 503.15 is: 693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.70 : 896.87 = 503.15 : x
  2. Step 2: Convert to fraction form
    650.70/896.87 = 503.15/x
  3. Step 3: Cross multiply
    650.70x = 896.87 × 503.15
  4. Step 4: Simplify right side
    650.70x = 451,256.91
  5. Step 5: Solve for x
    x = 451,256.91/650.70
  6. Step 6: Final answer
    x = 693.49

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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.