Finding the Fourth Proportional to 257.88, 356.00 and 174.99
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Solution
The fourth proportional to 257.88, 356.00 and 174.99 is: 241.57
Step by Step Solution
- Step 1: Write the proportion equation
257.88 : 356.00 = 174.99 : x - Step 2: Convert to fraction form
257.88/356.00 = 174.99/x - Step 3: Cross multiply
257.88x = 356.00 × 174.99 - Step 4: Simplify right side
257.88x = 62,295.57 - Step 5: Solve for x
x = 62,295.57/257.88 - Step 6: Final answer
x = 241.57
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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.