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Finding the Fourth Proportional to 260.55, 390.29 and 182.25

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Solution

The fourth proportional to 260.55, 390.29 and 182.25 is: 273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.55 : 390.29 = 182.25 : x
  2. Step 2: Convert to fraction form
    260.55/390.29 = 182.25/x
  3. Step 3: Cross multiply
    260.55x = 390.29 × 182.25
  4. Step 4: Simplify right side
    260.55x = 71,129.44
  5. Step 5: Solve for x
    x = 71,129.44/260.55
  6. Step 6: Final answer
    x = 273.00

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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.