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Finding the Fourth Proportional to 337.09, 464.46 and 278.29

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Solution

The fourth proportional to 337.09, 464.46 and 278.29 is: 383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.09 : 464.46 = 278.29 : x
  2. Step 2: Convert to fraction form
    337.09/464.46 = 278.29/x
  3. Step 3: Cross multiply
    337.09x = 464.46 × 278.29
  4. Step 4: Simplify right side
    337.09x = 129,254.57
  5. Step 5: Solve for x
    x = 129,254.57/337.09
  6. Step 6: Final answer
    x = 383.44

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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.