Finding the Fourth Proportional to 472.81, 652.49 and 262.99
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Solution
The fourth proportional to 472.81, 652.49 and 262.99 is: 362.93
Step by Step Solution
- Step 1: Write the proportion equation
472.81 : 652.49 = 262.99 : x - Step 2: Convert to fraction form
472.81/652.49 = 262.99/x - Step 3: Cross multiply
472.81x = 652.49 × 262.99 - Step 4: Simplify right side
472.81x = 171,598.35 - Step 5: Solve for x
x = 171,598.35/472.81 - Step 6: Final answer
x = 362.93
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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.