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Finding the Fourth Proportional to 958.83, 1,323.52 and 605.00

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Solution

The fourth proportional to 958.83, 1,323.52 and 605.00 is: 835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.83 : 1,323.52 = 605.00 : x
  2. Step 2: Convert to fraction form
    958.83/1,323.52 = 605.00/x
  3. Step 3: Cross multiply
    958.83x = 1,323.52 × 605.00
  4. Step 4: Simplify right side
    958.83x = 800,721.47
  5. Step 5: Solve for x
    x = 800,721.47/958.83
  6. Step 6: Final answer
    x = 835.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.