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Finding the Fourth Proportional to 482.33, 723.09 and 265.86

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Solution

The fourth proportional to 482.33, 723.09 and 265.86 is: 398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.33 : 723.09 = 265.86 : x
  2. Step 2: Convert to fraction form
    482.33/723.09 = 265.86/x
  3. Step 3: Cross multiply
    482.33x = 723.09 × 265.86
  4. Step 4: Simplify right side
    482.33x = 192,240.71
  5. Step 5: Solve for x
    x = 192,240.71/482.33
  6. Step 6: Final answer
    x = 398.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.