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Finding the Fourth Proportional to 609.56, 841.20 and 333.56

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Solution

The fourth proportional to 609.56, 841.20 and 333.56 is: 460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.56 : 841.20 = 333.56 : x
  2. Step 2: Convert to fraction form
    609.56/841.20 = 333.56/x
  3. Step 3: Cross multiply
    609.56x = 841.20 × 333.56
  4. Step 4: Simplify right side
    609.56x = 280,590.67
  5. Step 5: Solve for x
    x = 280,590.67/609.56
  6. Step 6: Final answer
    x = 460.32

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1.5x scale

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.