Finding the Fourth Proportional to 254.60, 351.30 and 154.99
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Solution
The fourth proportional to 254.60, 351.30 and 154.99 is: 213.86
Step by Step Solution
- Step 1: Write the proportion equation
254.60 : 351.30 = 154.99 : x - Step 2: Convert to fraction form
254.60/351.30 = 154.99/x - Step 3: Cross multiply
254.60x = 351.30 × 154.99 - Step 4: Simplify right side
254.60x = 54,447.99 - Step 5: Solve for x
x = 54,447.99/254.60 - Step 6: Final answer
x = 213.86
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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.