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Finding the Fourth Proportional to 303.38, 452.55 and 293.25

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Solution

The fourth proportional to 303.38, 452.55 and 293.25 is: 437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.38 : 452.55 = 293.25 : x
  2. Step 2: Convert to fraction form
    303.38/452.55 = 293.25/x
  3. Step 3: Cross multiply
    303.38x = 452.55 × 293.25
  4. Step 4: Simplify right side
    303.38x = 132,708.82
  5. Step 5: Solve for x
    x = 132,708.82/303.38
  6. Step 6: Final answer
    x = 437.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.