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Finding the Fourth Proportional to 447.60, 618.60 and 337.04

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Solution

The fourth proportional to 447.60, 618.60 and 337.04 is: 465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.60 : 618.60 = 337.04 : x
  2. Step 2: Convert to fraction form
    447.60/618.60 = 337.04/x
  3. Step 3: Cross multiply
    447.60x = 618.60 × 337.04
  4. Step 4: Simplify right side
    447.60x = 208,492.94
  5. Step 5: Solve for x
    x = 208,492.94/447.60
  6. Step 6: Final answer
    x = 465.80

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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.