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Finding the Fourth Proportional to 610.85, 844.09 and 444.77

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Solution

The fourth proportional to 610.85, 844.09 and 444.77 is: 614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.85 : 844.09 = 444.77 : x
  2. Step 2: Convert to fraction form
    610.85/844.09 = 444.77/x
  3. Step 3: Cross multiply
    610.85x = 844.09 × 444.77
  4. Step 4: Simplify right side
    610.85x = 375,426.91
  5. Step 5: Solve for x
    x = 375,426.91/610.85
  6. Step 6: Final answer
    x = 614.60

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1.5x scale

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.