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Finding the Fourth Proportional to 964.65, 1,443.56 and 599.61

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Solution

The fourth proportional to 964.65, 1,443.56 and 599.61 is: 897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.65 : 1,443.56 = 599.61 : x
  2. Step 2: Convert to fraction form
    964.65/1,443.56 = 599.61/x
  3. Step 3: Cross multiply
    964.65x = 1,443.56 × 599.61
  4. Step 4: Simplify right side
    964.65x = 865,570.01
  5. Step 5: Solve for x
    x = 865,570.01/964.65
  6. Step 6: Final answer
    x = 897.29

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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.