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Finding the Fourth Proportional to 486.94, 733.26 and 350.93

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Solution

The fourth proportional to 486.94, 733.26 and 350.93 is: 528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    486.94 : 733.26 = 350.93 : x
  2. Step 2: Convert to fraction form
    486.94/733.26 = 350.93/x
  3. Step 3: Cross multiply
    486.94x = 733.26 × 350.93
  4. Step 4: Simplify right side
    486.94x = 257,322.93
  5. Step 5: Solve for x
    x = 257,322.93/486.94
  6. Step 6: Final answer
    x = 528.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.