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Finding the Fourth Proportional to 333.43, 497.21 and 310.35

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Solution

The fourth proportional to 333.43, 497.21 and 310.35 is: 462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.43 : 497.21 = 310.35 : x
  2. Step 2: Convert to fraction form
    333.43/497.21 = 310.35/x
  3. Step 3: Cross multiply
    333.43x = 497.21 × 310.35
  4. Step 4: Simplify right side
    333.43x = 154,309.12
  5. Step 5: Solve for x
    x = 154,309.12/333.43
  6. Step 6: Final answer
    x = 462.79

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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.