Finding the Fourth Proportional to 443.67, 612.50 and 304.05
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Solution
The fourth proportional to 443.67, 612.50 and 304.05 is: 419.75
Step by Step Solution
- Step 1: Write the proportion equation
443.67 : 612.50 = 304.05 : x - Step 2: Convert to fraction form
443.67/612.50 = 304.05/x - Step 3: Cross multiply
443.67x = 612.50 × 304.05 - Step 4: Simplify right side
443.67x = 186,229.10 - Step 5: Solve for x
x = 186,229.10/443.67 - Step 6: Final answer
x = 419.75
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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.