Finding the Fourth Proportional to 183.70, 253.70 and 124.95
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Solution
The fourth proportional to 183.70, 253.70 and 124.95 is: 172.56
Step by Step Solution
- Step 1: Write the proportion equation
183.70 : 253.70 = 124.95 : x - Step 2: Convert to fraction form
183.70/253.70 = 124.95/x - Step 3: Cross multiply
183.70x = 253.70 × 124.95 - Step 4: Simplify right side
183.70x = 31,699.18 - Step 5: Solve for x
x = 31,699.18/183.70 - Step 6: Final answer
x = 172.56
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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.