Finding the Fourth Proportional to 1,014.88, 1,522 and 365.28
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Solution
The fourth proportional to 1,014.88, 1,522 and 365.28 is: 547.80
Step by Step Solution
- Step 1: Write the proportion equation
1,014.88 : 1,522 = 365.28 : x - Step 2: Convert to fraction form
1,014.88/1,522 = 365.28/x - Step 3: Cross multiply
1,014.88x = 1,522 × 365.28 - Step 4: Simplify right side
1,014.88x = 555,956.16 - Step 5: Solve for x
x = 555,956.16/1,014.88 - Step 6: Final answer
x = 547.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.