Finding the Fourth Proportional to 135.26, 202.44 and 125.30
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Solution
The fourth proportional to 135.26, 202.44 and 125.30 is: 187.53
Step by Step Solution
- Step 1: Write the proportion equation
135.26 : 202.44 = 125.30 : x - Step 2: Convert to fraction form
135.26/202.44 = 125.30/x - Step 3: Cross multiply
135.26x = 202.44 × 125.30 - Step 4: Simplify right side
135.26x = 25,365.73 - Step 5: Solve for x
x = 25,365.73/135.26 - Step 6: Final answer
x = 187.53
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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.