Finding the Fourth Proportional to 635.09, 876.27 and 468.99
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Solution
The fourth proportional to 635.09, 876.27 and 468.99 is: 647.09
Step by Step Solution
- Step 1: Write the proportion equation
635.09 : 876.27 = 468.99 : x - Step 2: Convert to fraction form
635.09/876.27 = 468.99/x - Step 3: Cross multiply
635.09x = 876.27 × 468.99 - Step 4: Simplify right side
635.09x = 410,960.99 - Step 5: Solve for x
x = 410,960.99/635.09 - Step 6: Final answer
x = 647.09
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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.