Finding the Fourth Proportional to 292.28, 436.19 and 284.99
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Solution
The fourth proportional to 292.28, 436.19 and 284.99 is: 425.31
Step by Step Solution
- Step 1: Write the proportion equation
292.28 : 436.19 = 284.99 : x - Step 2: Convert to fraction form
292.28/436.19 = 284.99/x - Step 3: Cross multiply
292.28x = 436.19 × 284.99 - Step 4: Simplify right side
292.28x = 124,306.18 - Step 5: Solve for x
x = 124,306.18/292.28 - Step 6: Final answer
x = 425.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.