Finding the Fourth Proportional to 245.99, 339.08 and 199.19
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Solution
The fourth proportional to 245.99, 339.08 and 199.19 is: 274.56
Step by Step Solution
- Step 1: Write the proportion equation
245.99 : 339.08 = 199.19 : x - Step 2: Convert to fraction form
245.99/339.08 = 199.19/x - Step 3: Cross multiply
245.99x = 339.08 × 199.19 - Step 4: Simplify right side
245.99x = 67,538.65 - Step 5: Solve for x
x = 67,538.65/245.99 - Step 6: Final answer
x = 274.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.