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Finding the Fourth Proportional to 350.15, 483.12 and 202.77

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Solution

The fourth proportional to 350.15, 483.12 and 202.77 is: 279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.15 : 483.12 = 202.77 : x
  2. Step 2: Convert to fraction form
    350.15/483.12 = 202.77/x
  3. Step 3: Cross multiply
    350.15x = 483.12 × 202.77
  4. Step 4: Simplify right side
    350.15x = 97,962.24
  5. Step 5: Solve for x
    x = 97,962.24/350.15
  6. Step 6: Final answer
    x = 279.78

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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.