Finding the Fourth Proportional to 894.62, 1,339.08 and 646.99
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Solution
The fourth proportional to 894.62, 1,339.08 and 646.99 is: 968.42
Step by Step Solution
- Step 1: Write the proportion equation
894.62 : 1,339.08 = 646.99 : x - Step 2: Convert to fraction form
894.62/1,339.08 = 646.99/x - Step 3: Cross multiply
894.62x = 1,339.08 × 646.99 - Step 4: Simplify right side
894.62x = 866,369.23 - Step 5: Solve for x
x = 866,369.23/894.62 - Step 6: Final answer
x = 968.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.