Finding the Fourth Proportional to 468.68, 703.10 and 212.04
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Solution
The fourth proportional to 468.68, 703.10 and 212.04 is: 318.10
Step by Step Solution
- Step 1: Write the proportion equation
468.68 : 703.10 = 212.04 : x - Step 2: Convert to fraction form
468.68/703.10 = 212.04/x - Step 3: Cross multiply
468.68x = 703.10 × 212.04 - Step 4: Simplify right side
468.68x = 149,085.32 - Step 5: Solve for x
x = 149,085.32/468.68 - Step 6: Final answer
x = 318.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.