Finding the Fourth Proportional to 306.99, 423.47 and 224
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Solution
The fourth proportional to 306.99, 423.47 and 224 is: 308.99
Step by Step Solution
- Step 1: Write the proportion equation
306.99 : 423.47 = 224 : x - Step 2: Convert to fraction form
306.99/423.47 = 224/x - Step 3: Cross multiply
306.99x = 423.47 × 224 - Step 4: Simplify right side
306.99x = 94,857.28 - Step 5: Solve for x
x = 94,857.28/306.99 - Step 6: Final answer
x = 308.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.