Finding the Fourth Proportional to 425.19, 586.62 and 300.99
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Solution
The fourth proportional to 425.19, 586.62 and 300.99 is: 415.27
Step by Step Solution
- Step 1: Write the proportion equation
425.19 : 586.62 = 300.99 : x - Step 2: Convert to fraction form
425.19/586.62 = 300.99/x - Step 3: Cross multiply
425.19x = 586.62 × 300.99 - Step 4: Simplify right side
425.19x = 176,566.75 - Step 5: Solve for x
x = 176,566.75/425.19 - Step 6: Final answer
x = 415.27
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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.