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Finding the Fourth Proportional to 1,329.94, 1,995.54 and 599.86

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Solution

The fourth proportional to 1,329.94, 1,995.54 and 599.86 is: 900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329.94 : 1,995.54 = 599.86 : x
  2. Step 2: Convert to fraction form
    1,329.94/1,995.54 = 599.86/x
  3. Step 3: Cross multiply
    1,329.94x = 1,995.54 × 599.86
  4. Step 4: Simplify right side
    1,329.94x = 1,197,044.62
  5. Step 5: Solve for x
    x = 1,197,044.62/1,329.94
  6. Step 6: Final answer
    x = 900.07

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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.