Finding the Fourth Proportional to 203.28, 304.97 and 58.99
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Solution
The fourth proportional to 203.28, 304.97 and 58.99 is: 88.50
Step by Step Solution
- Step 1: Write the proportion equation
203.28 : 304.97 = 58.99 : x - Step 2: Convert to fraction form
203.28/304.97 = 58.99/x - Step 3: Cross multiply
203.28x = 304.97 × 58.99 - Step 4: Simplify right side
203.28x = 17,990.18 - Step 5: Solve for x
x = 17,990.18/203.28 - Step 6: Final answer
x = 88.50
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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.