Finding the Fourth Proportional to 237.70, 356.74 and 135.08
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Solution
The fourth proportional to 237.70, 356.74 and 135.08 is: 202.72
Step by Step Solution
- Step 1: Write the proportion equation
237.70 : 356.74 = 135.08 : x - Step 2: Convert to fraction form
237.70/356.74 = 135.08/x - Step 3: Cross multiply
237.70x = 356.74 × 135.08 - Step 4: Simplify right side
237.70x = 48,187.66 - Step 5: Solve for x
x = 48,187.66/237.70 - Step 6: Final answer
x = 202.72
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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.