Finding the Fourth Proportional to 237.78, 356.92 and 135.26
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Solution
The fourth proportional to 237.78, 356.92 and 135.26 is: 203.03
Step by Step Solution
- Step 1: Write the proportion equation
237.78 : 356.92 = 135.26 : x - Step 2: Convert to fraction form
237.78/356.92 = 135.26/x - Step 3: Cross multiply
237.78x = 356.92 × 135.26 - Step 4: Simplify right side
237.78x = 48,277.00 - Step 5: Solve for x
x = 48,277.00/237.78 - Step 6: Final answer
x = 203.03
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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.