Finding the Fourth Proportional to 402.08, 554.99 and 236.23
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Solution
The fourth proportional to 402.08, 554.99 and 236.23 is: 326.07
Step by Step Solution
- Step 1: Write the proportion equation
402.08 : 554.99 = 236.23 : x - Step 2: Convert to fraction form
402.08/554.99 = 236.23/x - Step 3: Cross multiply
402.08x = 554.99 × 236.23 - Step 4: Simplify right side
402.08x = 131,102.72 - Step 5: Solve for x
x = 131,102.72/402.08 - Step 6: Final answer
x = 326.07
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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.