Finding the Fourth Proportional to 338.99, 467.84 and 206.18
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Solution
The fourth proportional to 338.99, 467.84 and 206.18 is: 284.55
Step by Step Solution
- Step 1: Write the proportion equation
338.99 : 467.84 = 206.18 : x - Step 2: Convert to fraction form
338.99/467.84 = 206.18/x - Step 3: Cross multiply
338.99x = 467.84 × 206.18 - Step 4: Simplify right side
338.99x = 96,459.25 - Step 5: Solve for x
x = 96,459.25/338.99 - Step 6: Final answer
x = 284.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.