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Finding the Fourth Proportional to 301.74, 452.66 and 262.95

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Solution

The fourth proportional to 301.74, 452.66 and 262.95 is: 394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.74 : 452.66 = 262.95 : x
  2. Step 2: Convert to fraction form
    301.74/452.66 = 262.95/x
  3. Step 3: Cross multiply
    301.74x = 452.66 × 262.95
  4. Step 4: Simplify right side
    301.74x = 119,025.63
  5. Step 5: Solve for x
    x = 119,025.63/301.74
  6. Step 6: Final answer
    x = 394.46

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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.