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Finding the Fourth Proportional to 353.83, 527.15 and 336.40

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Solution

The fourth proportional to 353.83, 527.15 and 336.40 is: 501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.83 : 527.15 = 336.40 : x
  2. Step 2: Convert to fraction form
    353.83/527.15 = 336.40/x
  3. Step 3: Cross multiply
    353.83x = 527.15 × 336.40
  4. Step 4: Simplify right side
    353.83x = 177,334.90
  5. Step 5: Solve for x
    x = 177,334.90/353.83
  6. Step 6: Final answer
    x = 501.19

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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.