Finding the Fourth Proportional to 237.70, 356.53 and 135.62
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Solution
The fourth proportional to 237.70, 356.53 and 135.62 is: 203.42
Step by Step Solution
- Step 1: Write the proportion equation
237.70 : 356.53 = 135.62 : x - Step 2: Convert to fraction form
237.70/356.53 = 135.62/x - Step 3: Cross multiply
237.70x = 356.53 × 135.62 - Step 4: Simplify right side
237.70x = 48,352.60 - Step 5: Solve for x
x = 48,352.60/237.70 - Step 6: Final answer
x = 203.42
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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.