Finding the Fourth Proportional to 38.67, 53.35 and 34.08
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Solution
The fourth proportional to 38.67, 53.35 and 34.08 is: 47.02
Step by Step Solution
- Step 1: Write the proportion equation
38.67 : 53.35 = 34.08 : x - Step 2: Convert to fraction form
38.67/53.35 = 34.08/x - Step 3: Cross multiply
38.67x = 53.35 × 34.08 - Step 4: Simplify right side
38.67x = 1,818.17 - Step 5: Solve for x
x = 1,818.17/38.67 - Step 6: Final answer
x = 47.02
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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.