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Finding the Fourth Proportional to 797.50, 1,195.80 and 473.10

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Solution

The fourth proportional to 797.50, 1,195.80 and 473.10 is: 709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.50 : 1,195.80 = 473.10 : x
  2. Step 2: Convert to fraction form
    797.50/1,195.80 = 473.10/x
  3. Step 3: Cross multiply
    797.50x = 1,195.80 × 473.10
  4. Step 4: Simplify right side
    797.50x = 565,726.72
  5. Step 5: Solve for x
    x = 565,726.72/797.50
  6. Step 6: Final answer
    x = 709.37

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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.