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Finding the Fourth Proportional to 351.35, 524.46 and 326.03

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Solution

The fourth proportional to 351.35, 524.46 and 326.03 is: 486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.35 : 524.46 = 326.03 : x
  2. Step 2: Convert to fraction form
    351.35/524.46 = 326.03/x
  3. Step 3: Cross multiply
    351.35x = 524.46 × 326.03
  4. Step 4: Simplify right side
    351.35x = 170,986.46
  5. Step 5: Solve for x
    x = 170,986.46/351.35
  6. Step 6: Final answer
    x = 486.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.