Finding the Fourth Proportional to 307.94, 425.01 and 176.99
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Solution
The fourth proportional to 307.94, 425.01 and 176.99 is: 244.28
Step by Step Solution
- Step 1: Write the proportion equation
307.94 : 425.01 = 176.99 : x - Step 2: Convert to fraction form
307.94/425.01 = 176.99/x - Step 3: Cross multiply
307.94x = 425.01 × 176.99 - Step 4: Simplify right side
307.94x = 75,221.06 - Step 5: Solve for x
x = 75,221.06/307.94 - Step 6: Final answer
x = 244.28
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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.