Finding the Fourth Proportional to 215.19, 296.97 and 160.08
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Solution
The fourth proportional to 215.19, 296.97 and 160.08 is: 220.91
Step by Step Solution
- Step 1: Write the proportion equation
215.19 : 296.97 = 160.08 : x - Step 2: Convert to fraction form
215.19/296.97 = 160.08/x - Step 3: Cross multiply
215.19x = 296.97 × 160.08 - Step 4: Simplify right side
215.19x = 47,537.24 - Step 5: Solve for x
x = 47,537.24/215.19 - Step 6: Final answer
x = 220.91
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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.