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Finding the Fourth Proportional to 337.59, 464.88 and 330.72

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Solution

The fourth proportional to 337.59, 464.88 and 330.72 is: 455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.59 : 464.88 = 330.72 : x
  2. Step 2: Convert to fraction form
    337.59/464.88 = 330.72/x
  3. Step 3: Cross multiply
    337.59x = 464.88 × 330.72
  4. Step 4: Simplify right side
    337.59x = 153,745.11
  5. Step 5: Solve for x
    x = 153,745.11/337.59
  6. Step 6: Final answer
    x = 455.42

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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.