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Finding the Fourth Proportional to 491.08, 735.96 and 274.24

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Solution

The fourth proportional to 491.08, 735.96 and 274.24 is: 410.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    491.08 : 735.96 = 274.24 : x
  2. Step 2: Convert to fraction form
    491.08/735.96 = 274.24/x
  3. Step 3: Cross multiply
    491.08x = 735.96 × 274.24
  4. Step 4: Simplify right side
    491.08x = 201,829.67
  5. Step 5: Solve for x
    x = 201,829.67/491.08
  6. Step 6: Final answer
    x = 410.99

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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.