Finding the Fourth Proportional to 425.74, 587.18 and 375.99
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Solution
The fourth proportional to 425.74, 587.18 and 375.99 is: 518.56
Step by Step Solution
- Step 1: Write the proportion equation
425.74 : 587.18 = 375.99 : x - Step 2: Convert to fraction form
425.74/587.18 = 375.99/x - Step 3: Cross multiply
425.74x = 587.18 × 375.99 - Step 4: Simplify right side
425.74x = 220,771.93 - Step 5: Solve for x
x = 220,771.93/425.74 - Step 6: Final answer
x = 518.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.