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Finding the Fourth Proportional to 1,330.17, 1,995.23 and 599.23

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Solution

The fourth proportional to 1,330.17, 1,995.23 and 599.23 is: 898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330.17 : 1,995.23 = 599.23 : x
  2. Step 2: Convert to fraction form
    1,330.17/1,995.23 = 599.23/x
  3. Step 3: Cross multiply
    1,330.17x = 1,995.23 × 599.23
  4. Step 4: Simplify right side
    1,330.17x = 1,195,601.67
  5. Step 5: Solve for x
    x = 1,195,601.67/1,330.17
  6. Step 6: Final answer
    x = 898.83

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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.