Finding the Fourth Proportional to 352.49, 528.26 and 135.95
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Solution
The fourth proportional to 352.49, 528.26 and 135.95 is: 203.74
Step by Step Solution
- Step 1: Write the proportion equation
352.49 : 528.26 = 135.95 : x - Step 2: Convert to fraction form
352.49/528.26 = 135.95/x - Step 3: Cross multiply
352.49x = 528.26 × 135.95 - Step 4: Simplify right side
352.49x = 71,813.63 - Step 5: Solve for x
x = 71,813.63/352.49 - Step 6: Final answer
x = 203.74
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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.