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Finding the Fourth Proportional to 483.07, 721.91 and 359.95

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Solution

The fourth proportional to 483.07, 721.91 and 359.95 is: 537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.07 : 721.91 = 359.95 : x
  2. Step 2: Convert to fraction form
    483.07/721.91 = 359.95/x
  3. Step 3: Cross multiply
    483.07x = 721.91 × 359.95
  4. Step 4: Simplify right side
    483.07x = 259,851.50
  5. Step 5: Solve for x
    x = 259,851.50/483.07
  6. Step 6: Final answer
    x = 537.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.