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Finding the Fourth Proportional to 568.77, 784.98 and 332.79

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Solution

The fourth proportional to 568.77, 784.98 and 332.79 is: 459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.77 : 784.98 = 332.79 : x
  2. Step 2: Convert to fraction form
    568.77/784.98 = 332.79/x
  3. Step 3: Cross multiply
    568.77x = 784.98 × 332.79
  4. Step 4: Simplify right side
    568.77x = 261,233.49
  5. Step 5: Solve for x
    x = 261,233.49/568.77
  6. Step 6: Final answer
    x = 459.30

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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.