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Finding the Fourth Proportional to 254.54, 383.94 and 254.54

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Solution

The fourth proportional to 254.54, 383.94 and 254.54 is: 383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.54 : 383.94 = 254.54 : x
  2. Step 2: Convert to fraction form
    254.54/383.94 = 254.54/x
  3. Step 3: Cross multiply
    254.54x = 383.94 × 254.54
  4. Step 4: Simplify right side
    254.54x = 97,729.05
  5. Step 5: Solve for x
    x = 97,729.05/254.54
  6. Step 6: Final answer
    x = 383.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.