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Finding the Fourth Proportional to 372.32, 511.60 and 333.44

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Solution

The fourth proportional to 372.32, 511.60 and 333.44 is: 458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.32 : 511.60 = 333.44 : x
  2. Step 2: Convert to fraction form
    372.32/511.60 = 333.44/x
  3. Step 3: Cross multiply
    372.32x = 511.60 × 333.44
  4. Step 4: Simplify right side
    372.32x = 170,587.90
  5. Step 5: Solve for x
    x = 170,587.90/372.32
  6. Step 6: Final answer
    x = 458.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.