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Finding the Fourth Proportional to 696.41, 962.33 and 499.61

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Solution

The fourth proportional to 696.41, 962.33 and 499.61 is: 690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.41 : 962.33 = 499.61 : x
  2. Step 2: Convert to fraction form
    696.41/962.33 = 499.61/x
  3. Step 3: Cross multiply
    696.41x = 962.33 × 499.61
  4. Step 4: Simplify right side
    696.41x = 480,789.69
  5. Step 5: Solve for x
    x = 480,789.69/696.41
  6. Step 6: Final answer
    x = 690.38

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1.5x scale

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.