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Finding the Fourth Proportional to 446.44, 670.20 and 410.53

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Solution

The fourth proportional to 446.44, 670.20 and 410.53 is: 616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.44 : 670.20 = 410.53 : x
  2. Step 2: Convert to fraction form
    446.44/670.20 = 410.53/x
  3. Step 3: Cross multiply
    446.44x = 670.20 × 410.53
  4. Step 4: Simplify right side
    446.44x = 275,137.21
  5. Step 5: Solve for x
    x = 275,137.21/446.44
  6. Step 6: Final answer
    x = 616.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.