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Finding the Fourth Proportional to 350.77, 483.20 and 295.49

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Solution

The fourth proportional to 350.77, 483.20 and 295.49 is: 407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.77 : 483.20 = 295.49 : x
  2. Step 2: Convert to fraction form
    350.77/483.20 = 295.49/x
  3. Step 3: Cross multiply
    350.77x = 483.20 × 295.49
  4. Step 4: Simplify right side
    350.77x = 142,780.90
  5. Step 5: Solve for x
    x = 142,780.90/350.77
  6. Step 6: Final answer
    x = 407.05

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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.