Finding the Fourth Proportional to 273.08, 408.96 and 157.17
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Solution
The fourth proportional to 273.08, 408.96 and 157.17 is: 235.38
Step by Step Solution
- Step 1: Write the proportion equation
273.08 : 408.96 = 157.17 : x - Step 2: Convert to fraction form
273.08/408.96 = 157.17/x - Step 3: Cross multiply
273.08x = 408.96 × 157.17 - Step 4: Simplify right side
273.08x = 64,276.24 - Step 5: Solve for x
x = 64,276.24/273.08 - Step 6: Final answer
x = 235.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.