Finding the Fourth Proportional to 252.68, 348.99 and 165.74
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Solution
The fourth proportional to 252.68, 348.99 and 165.74 is: 228.91
Step by Step Solution
- Step 1: Write the proportion equation
252.68 : 348.99 = 165.74 : x - Step 2: Convert to fraction form
252.68/348.99 = 165.74/x - Step 3: Cross multiply
252.68x = 348.99 × 165.74 - Step 4: Simplify right side
252.68x = 57,841.60 - Step 5: Solve for x
x = 57,841.60/252.68 - Step 6: Final answer
x = 228.91
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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.