Finding the Fourth Proportional to 233.34, 321.99 and 135.09
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Solution
The fourth proportional to 233.34, 321.99 and 135.09 is: 186.41
Step by Step Solution
- Step 1: Write the proportion equation
233.34 : 321.99 = 135.09 : x - Step 2: Convert to fraction form
233.34/321.99 = 135.09/x - Step 3: Cross multiply
233.34x = 321.99 × 135.09 - Step 4: Simplify right side
233.34x = 43,497.63 - Step 5: Solve for x
x = 43,497.63/233.34 - Step 6: Final answer
x = 186.41
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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.