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Finding the Fourth Proportional to 904.97, 1,356.55 and 795.62

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Solution

The fourth proportional to 904.97, 1,356.55 and 795.62 is: 1,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.97 : 1,356.55 = 795.62 : x
  2. Step 2: Convert to fraction form
    904.97/1,356.55 = 795.62/x
  3. Step 3: Cross multiply
    904.97x = 1,356.55 × 795.62
  4. Step 4: Simplify right side
    904.97x = 1,079,299.71
  5. Step 5: Solve for x
    x = 1,079,299.71/904.97
  6. Step 6: Final answer
    x = 1,192.63

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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.