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Finding the Fourth Proportional to 873.36, 1,202.76 and 795.48

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Solution

The fourth proportional to 873.36, 1,202.76 and 795.48 is: 1,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    873.36 : 1,202.76 = 795.48 : x
  2. Step 2: Convert to fraction form
    873.36/1,202.76 = 795.48/x
  3. Step 3: Cross multiply
    873.36x = 1,202.76 × 795.48
  4. Step 4: Simplify right side
    873.36x = 956,771.52
  5. Step 5: Solve for x
    x = 956,771.52/873.36
  6. Step 6: Final answer
    x = 1,095.51

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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.