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Finding the Fourth Proportional to 449.74, 675.04 and 241.66

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Solution

The fourth proportional to 449.74, 675.04 and 241.66 is: 362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.74 : 675.04 = 241.66 : x
  2. Step 2: Convert to fraction form
    449.74/675.04 = 241.66/x
  3. Step 3: Cross multiply
    449.74x = 675.04 × 241.66
  4. Step 4: Simplify right side
    449.74x = 163,130.17
  5. Step 5: Solve for x
    x = 163,130.17/449.74
  6. Step 6: Final answer
    x = 362.72

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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.