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Finding the Fourth Proportional to 607.79, 833.13 and 599.59

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Solution

The fourth proportional to 607.79, 833.13 and 599.59 is: 821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.79 : 833.13 = 599.59 : x
  2. Step 2: Convert to fraction form
    607.79/833.13 = 599.59/x
  3. Step 3: Cross multiply
    607.79x = 833.13 × 599.59
  4. Step 4: Simplify right side
    607.79x = 499,529.25
  5. Step 5: Solve for x
    x = 499,529.25/607.79
  6. Step 6: Final answer
    x = 821.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.