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Finding the Fourth Proportional to 580.41, 801.35 and 359.69

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Solution

The fourth proportional to 580.41, 801.35 and 359.69 is: 496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.41 : 801.35 = 359.69 : x
  2. Step 2: Convert to fraction form
    580.41/801.35 = 359.69/x
  3. Step 3: Cross multiply
    580.41x = 801.35 × 359.69
  4. Step 4: Simplify right side
    580.41x = 288,231.78
  5. Step 5: Solve for x
    x = 288,231.78/580.41
  6. Step 6: Final answer
    x = 496.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.