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Finding the Fourth Proportional to 598.68, 826.12 and 336.72

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Solution

The fourth proportional to 598.68, 826.12 and 336.72 is: 464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.68 : 826.12 = 336.72 : x
  2. Step 2: Convert to fraction form
    598.68/826.12 = 336.72/x
  3. Step 3: Cross multiply
    598.68x = 826.12 × 336.72
  4. Step 4: Simplify right side
    598.68x = 278,171.13
  5. Step 5: Solve for x
    x = 278,171.13/598.68
  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.