Finding the Fourth Proportional to 254.55, 352.74 and 239.14
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Solution
The fourth proportional to 254.55, 352.74 and 239.14 is: 331.39
Step by Step Solution
- Step 1: Write the proportion equation
254.55 : 352.74 = 239.14 : x - Step 2: Convert to fraction form
254.55/352.74 = 239.14/x - Step 3: Cross multiply
254.55x = 352.74 × 239.14 - Step 4: Simplify right side
254.55x = 84,354.24 - Step 5: Solve for x
x = 84,354.24/254.55 - Step 6: Final answer
x = 331.39
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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.