Finding the Fourth Proportional to 435.08, 652.42 and 252.53
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Solution
The fourth proportional to 435.08, 652.42 and 252.53 is: 378.68
Step by Step Solution
- Step 1: Write the proportion equation
435.08 : 652.42 = 252.53 : x - Step 2: Convert to fraction form
435.08/652.42 = 252.53/x - Step 3: Cross multiply
435.08x = 652.42 × 252.53 - Step 4: Simplify right side
435.08x = 164,756.62 - Step 5: Solve for x
x = 164,756.62/435.08 - Step 6: Final answer
x = 378.68
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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.