Finding the Fourth Proportional to 230.93, 317.36 and 220.23
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Solution
The fourth proportional to 230.93, 317.36 and 220.23 is: 302.65
Step by Step Solution
- Step 1: Write the proportion equation
230.93 : 317.36 = 220.23 : x - Step 2: Convert to fraction form
230.93/317.36 = 220.23/x - Step 3: Cross multiply
230.93x = 317.36 × 220.23 - Step 4: Simplify right side
230.93x = 69,891.23 - Step 5: Solve for x
x = 69,891.23/230.93 - Step 6: Final answer
x = 302.65
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.