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Finding the Fourth Proportional to 383.95, 529.95 and 244.09

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Solution

The fourth proportional to 383.95, 529.95 and 244.09 is: 336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.95 : 529.95 = 244.09 : x
  2. Step 2: Convert to fraction form
    383.95/529.95 = 244.09/x
  3. Step 3: Cross multiply
    383.95x = 529.95 × 244.09
  4. Step 4: Simplify right side
    383.95x = 129,355.50
  5. Step 5: Solve for x
    x = 129,355.50/383.95
  6. Step 6: Final answer
    x = 336.91

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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.