Finding the Fourth Proportional to 204.88, 307.34 and 67.99
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Solution
The fourth proportional to 204.88, 307.34 and 67.99 is: 101.99
Step by Step Solution
- Step 1: Write the proportion equation
204.88 : 307.34 = 67.99 : x - Step 2: Convert to fraction form
204.88/307.34 = 67.99/x - Step 3: Cross multiply
204.88x = 307.34 × 67.99 - Step 4: Simplify right side
204.88x = 20,896.15 - Step 5: Solve for x
x = 20,896.15/204.88 - Step 6: Final answer
x = 101.99
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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.