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Finding the Fourth Proportional to 332.97, 459.77 and 202.15

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Solution

The fourth proportional to 332.97, 459.77 and 202.15 is: 279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.97 : 459.77 = 202.15 : x
  2. Step 2: Convert to fraction form
    332.97/459.77 = 202.15/x
  3. Step 3: Cross multiply
    332.97x = 459.77 × 202.15
  4. Step 4: Simplify right side
    332.97x = 92,942.51
  5. Step 5: Solve for x
    x = 92,942.51/332.97
  6. Step 6: Final answer
    x = 279.13

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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.