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Finding the Fourth Proportional to 307.38, 461.55 and 296.34

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Solution

The fourth proportional to 307.38, 461.55 and 296.34 is: 444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.38 : 461.55 = 296.34 : x
  2. Step 2: Convert to fraction form
    307.38/461.55 = 296.34/x
  3. Step 3: Cross multiply
    307.38x = 461.55 × 296.34
  4. Step 4: Simplify right side
    307.38x = 136,775.73
  5. Step 5: Solve for x
    x = 136,775.73/307.38
  6. Step 6: Final answer
    x = 444.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.