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Finding the Fourth Proportional to 395.06, 543.94 and 335.93

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Solution

The fourth proportional to 395.06, 543.94 and 335.93 is: 462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.06 : 543.94 = 335.93 : x
  2. Step 2: Convert to fraction form
    395.06/543.94 = 335.93/x
  3. Step 3: Cross multiply
    395.06x = 543.94 × 335.93
  4. Step 4: Simplify right side
    395.06x = 182,722.20
  5. Step 5: Solve for x
    x = 182,722.20/395.06
  6. Step 6: Final answer
    x = 462.52

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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.