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Finding the Fourth Proportional to 535.79, 739.55 and 336.62

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Solution

The fourth proportional to 535.79, 739.55 and 336.62 is: 464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.79 : 739.55 = 336.62 : x
  2. Step 2: Convert to fraction form
    535.79/739.55 = 336.62/x
  3. Step 3: Cross multiply
    535.79x = 739.55 × 336.62
  4. Step 4: Simplify right side
    535.79x = 248,947.32
  5. Step 5: Solve for x
    x = 248,947.32/535.79
  6. Step 6: Final answer
    x = 464.64

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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.