Finding the Fourth Proportional to 203.52, 305.28 and 192.99
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Solution
The fourth proportional to 203.52, 305.28 and 192.99 is: 289.49
Step by Step Solution
- Step 1: Write the proportion equation
203.52 : 305.28 = 192.99 : x - Step 2: Convert to fraction form
203.52/305.28 = 192.99/x - Step 3: Cross multiply
203.52x = 305.28 × 192.99 - Step 4: Simplify right side
203.52x = 58,915.99 - Step 5: Solve for x
x = 58,915.99/203.52 - Step 6: Final answer
x = 289.49
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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.