Finding the Fourth Proportional to 437.95, 656.80 and 163.84
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Solution
The fourth proportional to 437.95, 656.80 and 163.84 is: 245.71
Step by Step Solution
- Step 1: Write the proportion equation
437.95 : 656.80 = 163.84 : x - Step 2: Convert to fraction form
437.95/656.80 = 163.84/x - Step 3: Cross multiply
437.95x = 656.80 × 163.84 - Step 4: Simplify right side
437.95x = 107,608.06 - Step 5: Solve for x
x = 107,608.06/437.95 - Step 6: Final answer
x = 245.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.