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Finding the Fourth Proportional to 650.63, 897.85 and 370.86

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Solution

The fourth proportional to 650.63, 897.85 and 370.86 is: 511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.63 : 897.85 = 370.86 : x
  2. Step 2: Convert to fraction form
    650.63/897.85 = 370.86/x
  3. Step 3: Cross multiply
    650.63x = 897.85 × 370.86
  4. Step 4: Simplify right side
    650.63x = 332,976.65
  5. Step 5: Solve for x
    x = 332,976.65/650.63
  6. Step 6: Final answer
    x = 511.78

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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.