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Finding the Fourth Proportional to 255.36, 383.62 and 244.98

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Solution

The fourth proportional to 255.36, 383.62 and 244.98 is: 368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.36 : 383.62 = 244.98 : x
  2. Step 2: Convert to fraction form
    255.36/383.62 = 244.98/x
  3. Step 3: Cross multiply
    255.36x = 383.62 × 244.98
  4. Step 4: Simplify right side
    255.36x = 93,978.62
  5. Step 5: Solve for x
    x = 93,978.62/255.36
  6. Step 6: Final answer
    x = 368.02

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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.