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Finding the Fourth Proportional to 848.44, 1,171.04 and 499.24

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Solution

The fourth proportional to 848.44, 1,171.04 and 499.24 is: 689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.44 : 1,171.04 = 499.24 : x
  2. Step 2: Convert to fraction form
    848.44/1,171.04 = 499.24/x
  3. Step 3: Cross multiply
    848.44x = 1,171.04 × 499.24
  4. Step 4: Simplify right side
    848.44x = 584,630.01
  5. Step 5: Solve for x
    x = 584,630.01/848.44
  6. Step 6: Final answer
    x = 689.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.