Finding the Fourth Proportional to 651.14, 898.74 and 451.99
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Solution
The fourth proportional to 651.14, 898.74 and 451.99 is: 623.86
Step by Step Solution
- Step 1: Write the proportion equation
651.14 : 898.74 = 451.99 : x - Step 2: Convert to fraction form
651.14/898.74 = 451.99/x - Step 3: Cross multiply
651.14x = 898.74 × 451.99 - Step 4: Simplify right side
651.14x = 406,221.49 - Step 5: Solve for x
x = 406,221.49/651.14 - Step 6: Final answer
x = 623.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.