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Finding the Fourth Proportional to 255.10, 383.16 and 224.34

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Solution

The fourth proportional to 255.10, 383.16 and 224.34 is: 336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.10 : 383.16 = 224.34 : x
  2. Step 2: Convert to fraction form
    255.10/383.16 = 224.34/x
  3. Step 3: Cross multiply
    255.10x = 383.16 × 224.34
  4. Step 4: Simplify right side
    255.10x = 85,958.86
  5. Step 5: Solve for x
    x = 85,958.86/255.10
  6. Step 6: Final answer
    x = 336.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.