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Finding the Fourth Proportional to 1,330.25, 1,995.70 and 599.83

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Solution

The fourth proportional to 1,330.25, 1,995.70 and 599.83 is: 899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330.25 : 1,995.70 = 599.83 : x
  2. Step 2: Convert to fraction form
    1,330.25/1,995.70 = 599.83/x
  3. Step 3: Cross multiply
    1,330.25x = 1,995.70 × 599.83
  4. Step 4: Simplify right side
    1,330.25x = 1,197,074.24
  5. Step 5: Solve for x
    x = 1,197,074.24/1,330.25
  6. Step 6: Final answer
    x = 899.88

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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.