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Finding the Fourth Proportional to 568.46, 784.60 and 335.66

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Solution

The fourth proportional to 568.46, 784.60 and 335.66 is: 463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.46 : 784.60 = 335.66 : x
  2. Step 2: Convert to fraction form
    568.46/784.60 = 335.66/x
  3. Step 3: Cross multiply
    568.46x = 784.60 × 335.66
  4. Step 4: Simplify right side
    568.46x = 263,358.84
  5. Step 5: Solve for x
    x = 263,358.84/568.46
  6. Step 6: Final answer
    x = 463.28

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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.