Finding the Fourth Proportional to 613.82, 919.52 and 510
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Solution
The fourth proportional to 613.82, 919.52 and 510 is: 763.99
Step by Step Solution
- Step 1: Write the proportion equation
613.82 : 919.52 = 510 : x - Step 2: Convert to fraction form
613.82/919.52 = 510/x - Step 3: Cross multiply
613.82x = 919.52 × 510 - Step 4: Simplify right side
613.82x = 468,955.20 - Step 5: Solve for x
x = 468,955.20/613.82 - Step 6: Final answer
x = 763.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.