Finding the Fourth Proportional to 447.13, 616.93 and 260.62
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Solution
The fourth proportional to 447.13, 616.93 and 260.62 is: 359.59
Step by Step Solution
- Step 1: Write the proportion equation
447.13 : 616.93 = 260.62 : x - Step 2: Convert to fraction form
447.13/616.93 = 260.62/x - Step 3: Cross multiply
447.13x = 616.93 × 260.62 - Step 4: Simplify right side
447.13x = 160,782.99 - Step 5: Solve for x
x = 160,782.99/447.13 - Step 6: Final answer
x = 359.59
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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.