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Finding the Fourth Proportional to 846.83, 1,169.36 and 532.64

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Solution

The fourth proportional to 846.83, 1,169.36 and 532.64 is: 735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.83 : 1,169.36 = 532.64 : x
  2. Step 2: Convert to fraction form
    846.83/1,169.36 = 532.64/x
  3. Step 3: Cross multiply
    846.83x = 1,169.36 × 532.64
  4. Step 4: Simplify right side
    846.83x = 622,839.40
  5. Step 5: Solve for x
    x = 622,839.40/846.83
  6. Step 6: Final answer
    x = 735.50

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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.