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Finding the Fourth Proportional to 735.33, 1,103.00 and 313.07

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Solution

The fourth proportional to 735.33, 1,103.00 and 313.07 is: 469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.33 : 1,103.00 = 313.07 : x
  2. Step 2: Convert to fraction form
    735.33/1,103.00 = 313.07/x
  3. Step 3: Cross multiply
    735.33x = 1,103.00 × 313.07
  4. Step 4: Simplify right side
    735.33x = 345,320.05
  5. Step 5: Solve for x
    x = 345,320.05/735.33
  6. Step 6: Final answer
    x = 469.61

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Double scale
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Similar ratio
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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.