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Finding the Fourth Proportional to 995.11, 1,373.02 and 575.33

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Solution

The fourth proportional to 995.11, 1,373.02 and 575.33 is: 793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.11 : 1,373.02 = 575.33 : x
  2. Step 2: Convert to fraction form
    995.11/1,373.02 = 575.33/x
  3. Step 3: Cross multiply
    995.11x = 1,373.02 × 575.33
  4. Step 4: Simplify right side
    995.11x = 789,931.29
  5. Step 5: Solve for x
    x = 789,931.29/995.11
  6. Step 6: Final answer
    x = 793.82

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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.