Finding the Fourth Proportional to 43.62, 65.47 and 23.31
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Solution
The fourth proportional to 43.62, 65.47 and 23.31 is: 34.99
Step by Step Solution
- Step 1: Write the proportion equation
43.62 : 65.47 = 23.31 : x - Step 2: Convert to fraction form
43.62/65.47 = 23.31/x - Step 3: Cross multiply
43.62x = 65.47 × 23.31 - Step 4: Simplify right side
43.62x = 1,526.11 - Step 5: Solve for x
x = 1,526.11/43.62 - Step 6: Final answer
x = 34.99
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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.