Finding the Fourth Proportional to 202.67, 303.75 and 157.19
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Solution
The fourth proportional to 202.67, 303.75 and 157.19 is: 235.59
Step by Step Solution
- Step 1: Write the proportion equation
202.67 : 303.75 = 157.19 : x - Step 2: Convert to fraction form
202.67/303.75 = 157.19/x - Step 3: Cross multiply
202.67x = 303.75 × 157.19 - Step 4: Simplify right side
202.67x = 47,744.94 - Step 5: Solve for x
x = 47,744.94/202.67 - Step 6: Final answer
x = 235.59
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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.