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Finding the Fourth Proportional to 333.83, 460.32 and 281.33

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Solution

The fourth proportional to 333.83, 460.32 and 281.33 is: 387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.83 : 460.32 = 281.33 : x
  2. Step 2: Convert to fraction form
    333.83/460.32 = 281.33/x
  3. Step 3: Cross multiply
    333.83x = 460.32 × 281.33
  4. Step 4: Simplify right side
    333.83x = 129,499.52
  5. Step 5: Solve for x
    x = 129,499.52/333.83
  6. Step 6: Final answer
    x = 387.93

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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.