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Finding the Fourth Proportional to 659.36, 984.23 and 610.49

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Solution

The fourth proportional to 659.36, 984.23 and 610.49 is: 911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    659.36 : 984.23 = 610.49 : x
  2. Step 2: Convert to fraction form
    659.36/984.23 = 610.49/x
  3. Step 3: Cross multiply
    659.36x = 984.23 × 610.49
  4. Step 4: Simplify right side
    659.36x = 600,854.60
  5. Step 5: Solve for x
    x = 600,854.60/659.36
  6. Step 6: Final answer
    x = 911.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.