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Finding the Fourth Proportional to 353.32, 527.18 and 351.28

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Solution

The fourth proportional to 353.32, 527.18 and 351.28 is: 524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.32 : 527.18 = 351.28 : x
  2. Step 2: Convert to fraction form
    353.32/527.18 = 351.28/x
  3. Step 3: Cross multiply
    353.32x = 527.18 × 351.28
  4. Step 4: Simplify right side
    353.32x = 185,183.40
  5. Step 5: Solve for x
    x = 185,183.40/353.32
  6. Step 6: Final answer
    x = 524.13

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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.