Finding the Fourth Proportional to 424.60, 637 and 181.14
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Solution
The fourth proportional to 424.60, 637 and 181.14 is: 271.75
Step by Step Solution
- Step 1: Write the proportion equation
424.60 : 637 = 181.14 : x - Step 2: Convert to fraction form
424.60/637 = 181.14/x - Step 3: Cross multiply
424.60x = 637 × 181.14 - Step 4: Simplify right side
424.60x = 115,386.18 - Step 5: Solve for x
x = 115,386.18/424.60 - Step 6: Final answer
x = 271.75
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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.