Finding the Fourth Proportional to 203.99, 304.51 and 195.12
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Solution
The fourth proportional to 203.99, 304.51 and 195.12 is: 291.27
Step by Step Solution
- Step 1: Write the proportion equation
203.99 : 304.51 = 195.12 : x - Step 2: Convert to fraction form
203.99/304.51 = 195.12/x - Step 3: Cross multiply
203.99x = 304.51 × 195.12 - Step 4: Simplify right side
203.99x = 59,415.99 - Step 5: Solve for x
x = 59,415.99/203.99 - Step 6: Final answer
x = 291.27
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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.