Finding the Fourth Proportional to 307.93, 425.26 and 259.19
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Solution
The fourth proportional to 307.93, 425.26 and 259.19 is: 357.96
Step by Step Solution
- Step 1: Write the proportion equation
307.93 : 425.26 = 259.19 : x - Step 2: Convert to fraction form
307.93/425.26 = 259.19/x - Step 3: Cross multiply
307.93x = 425.26 × 259.19 - Step 4: Simplify right side
307.93x = 110,224.53 - Step 5: Solve for x
x = 110,224.53/307.93 - Step 6: Final answer
x = 357.96
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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.