Finding the Fourth Proportional to 442.06, 663.09 and 181.99
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Solution
The fourth proportional to 442.06, 663.09 and 181.99 is: 272.99
Step by Step Solution
- Step 1: Write the proportion equation
442.06 : 663.09 = 181.99 : x - Step 2: Convert to fraction form
442.06/663.09 = 181.99/x - Step 3: Cross multiply
442.06x = 663.09 × 181.99 - Step 4: Simplify right side
442.06x = 120,675.90 - Step 5: Solve for x
x = 120,675.90/442.06 - Step 6: Final answer
x = 272.99
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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.