Finding the Fourth Proportional to 364.19, 546.35 and 218.19
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Solution
The fourth proportional to 364.19, 546.35 and 218.19 is: 327.33
Step by Step Solution
- Step 1: Write the proportion equation
364.19 : 546.35 = 218.19 : x - Step 2: Convert to fraction form
364.19/546.35 = 218.19/x - Step 3: Cross multiply
364.19x = 546.35 × 218.19 - Step 4: Simplify right side
364.19x = 119,207.02 - Step 5: Solve for x
x = 119,207.02/364.19 - Step 6: Final answer
x = 327.33
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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.