Finding the Fourth Proportional to 332.26, 455.19 and 319.95
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Solution
The fourth proportional to 332.26, 455.19 and 319.95 is: 438.33
Step by Step Solution
- Step 1: Write the proportion equation
332.26 : 455.19 = 319.95 : x - Step 2: Convert to fraction form
332.26/455.19 = 319.95/x - Step 3: Cross multiply
332.26x = 455.19 × 319.95 - Step 4: Simplify right side
332.26x = 145,638.04 - Step 5: Solve for x
x = 145,638.04/332.26 - Step 6: Final answer
x = 438.33
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.