Finding the Fourth Proportional to 163.02, 224.95 and 93.08
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Solution
The fourth proportional to 163.02, 224.95 and 93.08 is: 128.44
Step by Step Solution
- Step 1: Write the proportion equation
163.02 : 224.95 = 93.08 : x - Step 2: Convert to fraction form
163.02/224.95 = 93.08/x - Step 3: Cross multiply
163.02x = 224.95 × 93.08 - Step 4: Simplify right side
163.02x = 20,938.35 - Step 5: Solve for x
x = 20,938.35/163.02 - Step 6: Final answer
x = 128.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.