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Finding the Fourth Proportional to 650.05, 896.91 and 370.21

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Solution

The fourth proportional to 650.05, 896.91 and 370.21 is: 510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.05 : 896.91 = 370.21 : x
  2. Step 2: Convert to fraction form
    650.05/896.91 = 370.21/x
  3. Step 3: Cross multiply
    650.05x = 896.91 × 370.21
  4. Step 4: Simplify right side
    650.05x = 332,045.05
  5. Step 5: Solve for x
    x = 332,045.05/650.05
  6. Step 6: Final answer
    x = 510.80

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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.