Finding the Fourth Proportional to 269.24, 403.70 and 235.20
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Solution
The fourth proportional to 269.24, 403.70 and 235.20 is: 352.66
Step by Step Solution
- Step 1: Write the proportion equation
269.24 : 403.70 = 235.20 : x - Step 2: Convert to fraction form
269.24/403.70 = 235.20/x - Step 3: Cross multiply
269.24x = 403.70 × 235.20 - Step 4: Simplify right side
269.24x = 94,950.24 - Step 5: Solve for x
x = 94,950.24/269.24 - Step 6: Final answer
x = 352.66
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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.