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Finding the Fourth Proportional to 338.34, 505.05 and 333.48

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Solution

The fourth proportional to 338.34, 505.05 and 333.48 is: 497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.34 : 505.05 = 333.48 : x
  2. Step 2: Convert to fraction form
    338.34/505.05 = 333.48/x
  3. Step 3: Cross multiply
    338.34x = 505.05 × 333.48
  4. Step 4: Simplify right side
    338.34x = 168,424.07
  5. Step 5: Solve for x
    x = 168,424.07/338.34
  6. Step 6: Final answer
    x = 497.80

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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.