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Finding the Fourth Proportional to 301.84, 452.44 and 275.12

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Solution

The fourth proportional to 301.84, 452.44 and 275.12 is: 412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.84 : 452.44 = 275.12 : x
  2. Step 2: Convert to fraction form
    301.84/452.44 = 275.12/x
  3. Step 3: Cross multiply
    301.84x = 452.44 × 275.12
  4. Step 4: Simplify right side
    301.84x = 124,475.29
  5. Step 5: Solve for x
    x = 124,475.29/301.84
  6. Step 6: Final answer
    x = 412.39

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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.