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Finding the Fourth Proportional to 446.69, 669.24 and 275.33

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Solution

The fourth proportional to 446.69, 669.24 and 275.33 is: 412.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.69 : 669.24 = 275.33 : x
  2. Step 2: Convert to fraction form
    446.69/669.24 = 275.33/x
  3. Step 3: Cross multiply
    446.69x = 669.24 × 275.33
  4. Step 4: Simplify right side
    446.69x = 184,260.47
  5. Step 5: Solve for x
    x = 184,260.47/446.69
  6. Step 6: Final answer
    x = 412.50

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Double scale
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Similar ratio
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1.5x scale

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.