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Finding the Fourth Proportional to 446.03, 671.25 and 336.90

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Solution

The fourth proportional to 446.03, 671.25 and 336.90 is: 507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.03 : 671.25 = 336.90 : x
  2. Step 2: Convert to fraction form
    446.03/671.25 = 336.90/x
  3. Step 3: Cross multiply
    446.03x = 671.25 × 336.90
  4. Step 4: Simplify right side
    446.03x = 226,144.13
  5. Step 5: Solve for x
    x = 226,144.13/446.03
  6. Step 6: Final answer
    x = 507.02

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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.