Finding the Fourth Proportional to 324.87, 486.80 and 202.95
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Solution
The fourth proportional to 324.87, 486.80 and 202.95 is: 304.11
Step by Step Solution
- Step 1: Write the proportion equation
324.87 : 486.80 = 202.95 : x - Step 2: Convert to fraction form
324.87/486.80 = 202.95/x - Step 3: Cross multiply
324.87x = 486.80 × 202.95 - Step 4: Simplify right side
324.87x = 98,795.05 - Step 5: Solve for x
x = 98,795.05/324.87 - Step 6: Final answer
x = 304.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.