Finding the Fourth Proportional to 237.02, 354.99 and 115.02
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Solution
The fourth proportional to 237.02, 354.99 and 115.02 is: 172.27
Step by Step Solution
- Step 1: Write the proportion equation
237.02 : 354.99 = 115.02 : x - Step 2: Convert to fraction form
237.02/354.99 = 115.02/x - Step 3: Cross multiply
237.02x = 354.99 × 115.02 - Step 4: Simplify right side
237.02x = 40,830.95 - Step 5: Solve for x
x = 40,830.95/237.02 - Step 6: Final answer
x = 172.27
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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.