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Finding the Fourth Proportional to 255.86, 348.59 and 250.22

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Solution

The fourth proportional to 255.86, 348.59 and 250.22 is: 340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.86 : 348.59 = 250.22 : x
  2. Step 2: Convert to fraction form
    255.86/348.59 = 250.22/x
  3. Step 3: Cross multiply
    255.86x = 348.59 × 250.22
  4. Step 4: Simplify right side
    255.86x = 87,224.19
  5. Step 5: Solve for x
    x = 87,224.19/255.86
  6. Step 6: Final answer
    x = 340.91

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.