Finding the Fourth Proportional to 967.75, 1,451.93 and 474.46
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Solution
The fourth proportional to 967.75, 1,451.93 and 474.46 is: 711.84
Step by Step Solution
- Step 1: Write the proportion equation
967.75 : 1,451.93 = 474.46 : x - Step 2: Convert to fraction form
967.75/1,451.93 = 474.46/x - Step 3: Cross multiply
967.75x = 1,451.93 × 474.46 - Step 4: Simplify right side
967.75x = 688,876.71 - Step 5: Solve for x
x = 688,876.71/967.75 - Step 6: Final answer
x = 711.84
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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.