Finding the Fourth Proportional to 203.08, 302.18 and 202.40
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Solution
The fourth proportional to 203.08, 302.18 and 202.40 is: 301.17
Step by Step Solution
- Step 1: Write the proportion equation
203.08 : 302.18 = 202.40 : x - Step 2: Convert to fraction form
203.08/302.18 = 202.40/x - Step 3: Cross multiply
203.08x = 302.18 × 202.40 - Step 4: Simplify right side
203.08x = 61,161.36 - Step 5: Solve for x
x = 61,161.36/203.08 - Step 6: Final answer
x = 301.17
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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.