Finding the Fourth Proportional to 651.21, 896.58 and 519.99
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Solution
The fourth proportional to 651.21, 896.58 and 519.99 is: 715.92
Step by Step Solution
- Step 1: Write the proportion equation
651.21 : 896.58 = 519.99 : x - Step 2: Convert to fraction form
651.21/896.58 = 519.99/x - Step 3: Cross multiply
651.21x = 896.58 × 519.99 - Step 4: Simplify right side
651.21x = 466,212.63 - Step 5: Solve for x
x = 466,212.63/651.21 - Step 6: Final answer
x = 715.92
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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.