Finding the Fourth Proportional to 430.99, 594.98 and 291.84
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Solution
The fourth proportional to 430.99, 594.98 and 291.84 is: 402.89
Step by Step Solution
- Step 1: Write the proportion equation
430.99 : 594.98 = 291.84 : x - Step 2: Convert to fraction form
430.99/594.98 = 291.84/x - Step 3: Cross multiply
430.99x = 594.98 × 291.84 - Step 4: Simplify right side
430.99x = 173,639.69 - Step 5: Solve for x
x = 173,639.69/430.99 - Step 6: Final answer
x = 402.89
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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.