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Finding the Fourth Proportional to 566.76, 778.20 and 482.88

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Solution

The fourth proportional to 566.76, 778.20 and 482.88 is: 663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.76 : 778.20 = 482.88 : x
  2. Step 2: Convert to fraction form
    566.76/778.20 = 482.88/x
  3. Step 3: Cross multiply
    566.76x = 778.20 × 482.88
  4. Step 4: Simplify right side
    566.76x = 375,777.22
  5. Step 5: Solve for x
    x = 375,777.22/566.76
  6. Step 6: Final answer
    x = 663.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.