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Finding the Fourth Proportional to 568.82, 784.68 and 529.58

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Solution

The fourth proportional to 568.82, 784.68 and 529.58 is: 730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.82 : 784.68 = 529.58 : x
  2. Step 2: Convert to fraction form
    568.82/784.68 = 529.58/x
  3. Step 3: Cross multiply
    568.82x = 784.68 × 529.58
  4. Step 4: Simplify right side
    568.82x = 415,550.83
  5. Step 5: Solve for x
    x = 415,550.83/568.82
  6. Step 6: Final answer
    x = 730.55

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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.