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Finding the Fourth Proportional to 271.08, 375.84 and 259.74

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Solution

The fourth proportional to 271.08, 375.84 and 259.74 is: 360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.08 : 375.84 = 259.74 : x
  2. Step 2: Convert to fraction form
    271.08/375.84 = 259.74/x
  3. Step 3: Cross multiply
    271.08x = 375.84 × 259.74
  4. Step 4: Simplify right side
    271.08x = 97,620.68
  5. Step 5: Solve for x
    x = 97,620.68/271.08
  6. Step 6: Final answer
    x = 360.12

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.