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Finding the Fourth Proportional to 568.67, 784.71 and 332.66

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Solution

The fourth proportional to 568.67, 784.71 and 332.66 is: 459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.67 : 784.71 = 332.66 : x
  2. Step 2: Convert to fraction form
    568.67/784.71 = 332.66/x
  3. Step 3: Cross multiply
    568.67x = 784.71 × 332.66
  4. Step 4: Simplify right side
    568.67x = 261,043.59
  5. Step 5: Solve for x
    x = 261,043.59/568.67
  6. Step 6: Final answer
    x = 459.05

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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.