Finding the Fourth Proportional to 203.19, 304.79 and 58.92
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Solution
The fourth proportional to 203.19, 304.79 and 58.92 is: 88.38
Step by Step Solution
- Step 1: Write the proportion equation
203.19 : 304.79 = 58.92 : x - Step 2: Convert to fraction form
203.19/304.79 = 58.92/x - Step 3: Cross multiply
203.19x = 304.79 × 58.92 - Step 4: Simplify right side
203.19x = 17,958.23 - Step 5: Solve for x
x = 17,958.23/203.19 - Step 6: Final answer
x = 88.38
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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.