Finding the Fourth Proportional to 249.96, 345.08 and 171.70
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Solution
The fourth proportional to 249.96, 345.08 and 171.70 is: 237.04
Step by Step Solution
- Step 1: Write the proportion equation
249.96 : 345.08 = 171.70 : x - Step 2: Convert to fraction form
249.96/345.08 = 171.70/x - Step 3: Cross multiply
249.96x = 345.08 × 171.70 - Step 4: Simplify right side
249.96x = 59,250.24 - Step 5: Solve for x
x = 59,250.24/249.96 - Step 6: Final answer
x = 237.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.