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Finding the Fourth Proportional to 846.84, 1,169.06 and 657.37

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Solution

The fourth proportional to 846.84, 1,169.06 and 657.37 is: 907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.84 : 1,169.06 = 657.37 : x
  2. Step 2: Convert to fraction form
    846.84/1,169.06 = 657.37/x
  3. Step 3: Cross multiply
    846.84x = 1,169.06 × 657.37
  4. Step 4: Simplify right side
    846.84x = 768,504.97
  5. Step 5: Solve for x
    x = 768,504.97/846.84
  6. Step 6: Final answer
    x = 907.50

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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.