Finding the Fourth Proportional to 340.13, 509.73 and 177.49
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Solution
The fourth proportional to 340.13, 509.73 and 177.49 is: 265.99
Step by Step Solution
- Step 1: Write the proportion equation
340.13 : 509.73 = 177.49 : x - Step 2: Convert to fraction form
340.13/509.73 = 177.49/x - Step 3: Cross multiply
340.13x = 509.73 × 177.49 - Step 4: Simplify right side
340.13x = 90,471.95 - Step 5: Solve for x
x = 90,471.95/340.13 - Step 6: Final answer
x = 265.99
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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.