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Finding the Fourth Proportional to 566.73, 779.29 and 549.45

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Solution

The fourth proportional to 566.73, 779.29 and 549.45 is: 755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.73 : 779.29 = 549.45 : x
  2. Step 2: Convert to fraction form
    566.73/779.29 = 549.45/x
  3. Step 3: Cross multiply
    566.73x = 779.29 × 549.45
  4. Step 4: Simplify right side
    566.73x = 428,179.52
  5. Step 5: Solve for x
    x = 428,179.52/566.73
  6. Step 6: Final answer
    x = 755.53

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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.