Finding the Fourth Proportional to 302.29, 417.12 and 177.99
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Solution
The fourth proportional to 302.29, 417.12 and 177.99 is: 245.60
Step by Step Solution
- Step 1: Write the proportion equation
302.29 : 417.12 = 177.99 : x - Step 2: Convert to fraction form
302.29/417.12 = 177.99/x - Step 3: Cross multiply
302.29x = 417.12 × 177.99 - Step 4: Simplify right side
302.29x = 74,242.29 - Step 5: Solve for x
x = 74,242.29/302.29 - Step 6: Final answer
x = 245.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.