Finding the Fourth Proportional to 368.63, 552.99 and 125.12
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Solution
The fourth proportional to 368.63, 552.99 and 125.12 is: 187.69
Step by Step Solution
- Step 1: Write the proportion equation
368.63 : 552.99 = 125.12 : x - Step 2: Convert to fraction form
368.63/552.99 = 125.12/x - Step 3: Cross multiply
368.63x = 552.99 × 125.12 - Step 4: Simplify right side
368.63x = 69,187.34 - Step 5: Solve for x
x = 69,187.34/368.63 - Step 6: Final answer
x = 187.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.