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Finding the Fourth Proportional to 332.57, 459.07 and 201.58

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Solution

The fourth proportional to 332.57, 459.07 and 201.58 is: 278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.57 : 459.07 = 201.58 : x
  2. Step 2: Convert to fraction form
    332.57/459.07 = 201.58/x
  3. Step 3: Cross multiply
    332.57x = 459.07 × 201.58
  4. Step 4: Simplify right side
    332.57x = 92,537.68
  5. Step 5: Solve for x
    x = 92,537.68/332.57
  6. Step 6: Final answer
    x = 278.25

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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.