Finding the Fourth Proportional to 307.79, 460.66 and 296.99
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Solution
The fourth proportional to 307.79, 460.66 and 296.99 is: 444.50
Step by Step Solution
- Step 1: Write the proportion equation
307.79 : 460.66 = 296.99 : x - Step 2: Convert to fraction form
307.79/460.66 = 296.99/x - Step 3: Cross multiply
307.79x = 460.66 × 296.99 - Step 4: Simplify right side
307.79x = 136,811.41 - Step 5: Solve for x
x = 136,811.41/307.79 - Step 6: Final answer
x = 444.50
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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.