Finding the Fourth Proportional to 203.23, 302.67 and 202.07
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Solution
The fourth proportional to 203.23, 302.67 and 202.07 is: 300.94
Step by Step Solution
- Step 1: Write the proportion equation
203.23 : 302.67 = 202.07 : x - Step 2: Convert to fraction form
203.23/302.67 = 202.07/x - Step 3: Cross multiply
203.23x = 302.67 × 202.07 - Step 4: Simplify right side
203.23x = 61,160.53 - Step 5: Solve for x
x = 61,160.53/203.23 - Step 6: Final answer
x = 300.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.