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Finding the Fourth Proportional to 255.67, 384.32 and 244.87

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Solution

The fourth proportional to 255.67, 384.32 and 244.87 is: 368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.67 : 384.32 = 244.87 : x
  2. Step 2: Convert to fraction form
    255.67/384.32 = 244.87/x
  3. Step 3: Cross multiply
    255.67x = 384.32 × 244.87
  4. Step 4: Simplify right side
    255.67x = 94,108.44
  5. Step 5: Solve for x
    x = 94,108.44/255.67
  6. Step 6: Final answer
    x = 368.09

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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.