Finding the Fourth Proportional to 855.99, 1,181.32 and 482.99
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Solution
The fourth proportional to 855.99, 1,181.32 and 482.99 is: 666.55
Step by Step Solution
- Step 1: Write the proportion equation
855.99 : 1,181.32 = 482.99 : x - Step 2: Convert to fraction form
855.99/1,181.32 = 482.99/x - Step 3: Cross multiply
855.99x = 1,181.32 × 482.99 - Step 4: Simplify right side
855.99x = 570,558.63 - Step 5: Solve for x
x = 570,558.63/855.99 - Step 6: Final answer
x = 666.55
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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.