Finding the Fourth Proportional to 649.96, 974.98 and 163.02
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Solution
The fourth proportional to 649.96, 974.98 and 163.02 is: 244.54
Step by Step Solution
- Step 1: Write the proportion equation
649.96 : 974.98 = 163.02 : x - Step 2: Convert to fraction form
649.96/974.98 = 163.02/x - Step 3: Cross multiply
649.96x = 974.98 × 163.02 - Step 4: Simplify right side
649.96x = 158,941.24 - Step 5: Solve for x
x = 158,941.24/649.96 - Step 6: Final answer
x = 244.54
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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.