Finding the Fourth Proportional to 364.23, 546.23 and 133.08
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Solution
The fourth proportional to 364.23, 546.23 and 133.08 is: 199.58
Step by Step Solution
- Step 1: Write the proportion equation
364.23 : 546.23 = 133.08 : x - Step 2: Convert to fraction form
364.23/546.23 = 133.08/x - Step 3: Cross multiply
364.23x = 546.23 × 133.08 - Step 4: Simplify right side
364.23x = 72,691.62 - Step 5: Solve for x
x = 72,691.62/364.23 - Step 6: Final answer
x = 199.58
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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.