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Finding the Fourth Proportional to 1,214.86, 1,823.37 and 565.96

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Solution

The fourth proportional to 1,214.86, 1,823.37 and 565.96 is: 849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214.86 : 1,823.37 = 565.96 : x
  2. Step 2: Convert to fraction form
    1,214.86/1,823.37 = 565.96/x
  3. Step 3: Cross multiply
    1,214.86x = 1,823.37 × 565.96
  4. Step 4: Simplify right side
    1,214.86x = 1,031,954.49
  5. Step 5: Solve for x
    x = 1,031,954.49/1,214.86
  6. Step 6: Final answer
    x = 849.44

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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.