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Finding the Fourth Proportional to 914.21, 1,262.14 and 582.92

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Solution

The fourth proportional to 914.21, 1,262.14 and 582.92 is: 804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    914.21 : 1,262.14 = 582.92 : x
  2. Step 2: Convert to fraction form
    914.21/1,262.14 = 582.92/x
  3. Step 3: Cross multiply
    914.21x = 1,262.14 × 582.92
  4. Step 4: Simplify right side
    914.21x = 735,718.88
  5. Step 5: Solve for x
    x = 735,718.88/914.21
  6. Step 6: Final answer
    x = 804.76

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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.