Finding the Fourth Proportional to 204.10, 305.96 and 73.99
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Solution
The fourth proportional to 204.10, 305.96 and 73.99 is: 110.91
Step by Step Solution
- Step 1: Write the proportion equation
204.10 : 305.96 = 73.99 : x - Step 2: Convert to fraction form
204.10/305.96 = 73.99/x - Step 3: Cross multiply
204.10x = 305.96 × 73.99 - Step 4: Simplify right side
204.10x = 22,636.85 - Step 5: Solve for x
x = 22,636.85/204.10 - Step 6: Final answer
x = 110.91
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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.