Finding the Fourth Proportional to 236.31, 354.47 and 73.99
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Solution
The fourth proportional to 236.31, 354.47 and 73.99 is: 110.99
Step by Step Solution
- Step 1: Write the proportion equation
236.31 : 354.47 = 73.99 : x - Step 2: Convert to fraction form
236.31/354.47 = 73.99/x - Step 3: Cross multiply
236.31x = 354.47 × 73.99 - Step 4: Simplify right side
236.31x = 26,226.87 - Step 5: Solve for x
x = 26,226.87/236.31 - Step 6: Final answer
x = 110.99
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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.