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Finding the Fourth Proportional to 348.27, 521.69 and 334.86

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Solution

The fourth proportional to 348.27, 521.69 and 334.86 is: 501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.27 : 521.69 = 334.86 : x
  2. Step 2: Convert to fraction form
    348.27/521.69 = 334.86/x
  3. Step 3: Cross multiply
    348.27x = 521.69 × 334.86
  4. Step 4: Simplify right side
    348.27x = 174,691.44
  5. Step 5: Solve for x
    x = 174,691.44/348.27
  6. Step 6: Final answer
    x = 501.60

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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.