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Finding the Fourth Proportional to 549.56, 758.77 and 350.51

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Solution

The fourth proportional to 549.56, 758.77 and 350.51 is: 483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.56 : 758.77 = 350.51 : x
  2. Step 2: Convert to fraction form
    549.56/758.77 = 350.51/x
  3. Step 3: Cross multiply
    549.56x = 758.77 × 350.51
  4. Step 4: Simplify right side
    549.56x = 265,951.80
  5. Step 5: Solve for x
    x = 265,951.80/549.56
  6. Step 6: Final answer
    x = 483.93

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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.