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Finding the Fourth Proportional to 491.04, 736.41 and 247.47

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Solution

The fourth proportional to 491.04, 736.41 and 247.47 is: 371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    491.04 : 736.41 = 247.47 : x
  2. Step 2: Convert to fraction form
    491.04/736.41 = 247.47/x
  3. Step 3: Cross multiply
    491.04x = 736.41 × 247.47
  4. Step 4: Simplify right side
    491.04x = 182,239.38
  5. Step 5: Solve for x
    x = 182,239.38/491.04
  6. Step 6: Final answer
    x = 371.13

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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.