Finding the Fourth Proportional to 342.88, 471.99 and 259.84
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Solution
The fourth proportional to 342.88, 471.99 and 259.84 is: 357.68
Step by Step Solution
- Step 1: Write the proportion equation
342.88 : 471.99 = 259.84 : x - Step 2: Convert to fraction form
342.88/471.99 = 259.84/x - Step 3: Cross multiply
342.88x = 471.99 × 259.84 - Step 4: Simplify right side
342.88x = 122,641.88 - Step 5: Solve for x
x = 122,641.88/342.88 - Step 6: Final answer
x = 357.68
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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.