Finding the Fourth Proportional to 437.63, 656.44 and 181.13
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Solution
The fourth proportional to 437.63, 656.44 and 181.13 is: 271.69
Step by Step Solution
- Step 1: Write the proportion equation
437.63 : 656.44 = 181.13 : x - Step 2: Convert to fraction form
437.63/656.44 = 181.13/x - Step 3: Cross multiply
437.63x = 656.44 × 181.13 - Step 4: Simplify right side
437.63x = 118,897.24 - Step 5: Solve for x
x = 118,897.24/437.63 - Step 6: Final answer
x = 271.69
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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.