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Finding the Fourth Proportional to 301.04, 450.75 and 247.58

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Solution

The fourth proportional to 301.04, 450.75 and 247.58 is: 370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.04 : 450.75 = 247.58 : x
  2. Step 2: Convert to fraction form
    301.04/450.75 = 247.58/x
  3. Step 3: Cross multiply
    301.04x = 450.75 × 247.58
  4. Step 4: Simplify right side
    301.04x = 111,596.69
  5. Step 5: Solve for x
    x = 111,596.69/301.04
  6. Step 6: Final answer
    x = 370.70

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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.