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Finding the Fourth Proportional to 259.25, 357.86 and 181.85

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Solution

The fourth proportional to 259.25, 357.86 and 181.85 is: 251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    259.25 : 357.86 = 181.85 : x
  2. Step 2: Convert to fraction form
    259.25/357.86 = 181.85/x
  3. Step 3: Cross multiply
    259.25x = 357.86 × 181.85
  4. Step 4: Simplify right side
    259.25x = 65,075.93
  5. Step 5: Solve for x
    x = 65,075.93/259.25
  6. Step 6: Final answer
    x = 251.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.