Finding the Fourth Proportional to 225.99, 338.62 and 207.08
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Solution
The fourth proportional to 225.99, 338.62 and 207.08 is: 310.28
Step by Step Solution
- Step 1: Write the proportion equation
225.99 : 338.62 = 207.08 : x - Step 2: Convert to fraction form
225.99/338.62 = 207.08/x - Step 3: Cross multiply
225.99x = 338.62 × 207.08 - Step 4: Simplify right side
225.99x = 70,120.14 - Step 5: Solve for x
x = 70,120.14/225.99 - Step 6: Final answer
x = 310.28
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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.