Finding the Fourth Proportional to 614.21, 847.62 and 482.99
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Solution
The fourth proportional to 614.21, 847.62 and 482.99 is: 666.53
Step by Step Solution
- Step 1: Write the proportion equation
614.21 : 847.62 = 482.99 : x - Step 2: Convert to fraction form
614.21/847.62 = 482.99/x - Step 3: Cross multiply
614.21x = 847.62 × 482.99 - Step 4: Simplify right side
614.21x = 409,387.75 - Step 5: Solve for x
x = 409,387.75/614.21 - Step 6: Final answer
x = 666.53
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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.