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Finding the Fourth Proportional to 461.08, 691.68 and 244.72

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Solution

The fourth proportional to 461.08, 691.68 and 244.72 is: 367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.08 : 691.68 = 244.72 : x
  2. Step 2: Convert to fraction form
    461.08/691.68 = 244.72/x
  3. Step 3: Cross multiply
    461.08x = 691.68 × 244.72
  4. Step 4: Simplify right side
    461.08x = 169,267.93
  5. Step 5: Solve for x
    x = 169,267.93/461.08
  6. Step 6: Final answer
    x = 367.11

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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.