Finding the Fourth Proportional to 6.00, 8.99 and 4.31
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Solution
The fourth proportional to 6.00, 8.99 and 4.31 is: 6.46
Step by Step Solution
- Step 1: Write the proportion equation
6.00 : 8.99 = 4.31 : x - Step 2: Convert to fraction form
6.00/8.99 = 4.31/x - Step 3: Cross multiply
6.00x = 8.99 × 4.31 - Step 4: Simplify right side
6.00x = 38.78 - Step 5: Solve for x
x = 38.78/6.00 - Step 6: Final answer
x = 6.46
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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.