Finding the Fourth Proportional to 338.60, 467.08 and 240.19
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Solution
The fourth proportional to 338.60, 467.08 and 240.19 is: 331.32
Step by Step Solution
- Step 1: Write the proportion equation
338.60 : 467.08 = 240.19 : x - Step 2: Convert to fraction form
338.60/467.08 = 240.19/x - Step 3: Cross multiply
338.60x = 467.08 × 240.19 - Step 4: Simplify right side
338.60x = 112,186.18 - Step 5: Solve for x
x = 112,186.18/338.60 - Step 6: Final answer
x = 331.32
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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.