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Finding the Fourth Proportional to 398.32, 595.07 and 333.52

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Solution

The fourth proportional to 398.32, 595.07 and 333.52 is: 498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    398.32 : 595.07 = 333.52 : x
  2. Step 2: Convert to fraction form
    398.32/595.07 = 333.52/x
  3. Step 3: Cross multiply
    398.32x = 595.07 × 333.52
  4. Step 4: Simplify right side
    398.32x = 198,467.75
  5. Step 5: Solve for x
    x = 198,467.75/398.32
  6. Step 6: Final answer
    x = 498.26

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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.