Finding the Fourth Proportional to 456.79, 630.62 and 301.99
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Solution
The fourth proportional to 456.79, 630.62 and 301.99 is: 416.91
Step by Step Solution
- Step 1: Write the proportion equation
456.79 : 630.62 = 301.99 : x - Step 2: Convert to fraction form
456.79/630.62 = 301.99/x - Step 3: Cross multiply
456.79x = 630.62 × 301.99 - Step 4: Simplify right side
456.79x = 190,440.93 - Step 5: Solve for x
x = 190,440.93/456.79 - Step 6: Final answer
x = 416.91
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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.