Finding the Fourth Proportional to 249.15, 373.11 and 202.68
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Solution
The fourth proportional to 249.15, 373.11 and 202.68 is: 303.52
Step by Step Solution
- Step 1: Write the proportion equation
249.15 : 373.11 = 202.68 : x - Step 2: Convert to fraction form
249.15/373.11 = 202.68/x - Step 3: Cross multiply
249.15x = 373.11 × 202.68 - Step 4: Simplify right side
249.15x = 75,621.93 - Step 5: Solve for x
x = 75,621.93/249.15 - Step 6: Final answer
x = 303.52
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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.