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Finding the Fourth Proportional to 1,214.93, 1,823.04 and 522.27

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Solution

The fourth proportional to 1,214.93, 1,823.04 and 522.27 is: 783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214.93 : 1,823.04 = 522.27 : x
  2. Step 2: Convert to fraction form
    1,214.93/1,823.04 = 522.27/x
  3. Step 3: Cross multiply
    1,214.93x = 1,823.04 × 522.27
  4. Step 4: Simplify right side
    1,214.93x = 952,119.10
  5. Step 5: Solve for x
    x = 952,119.10/1,214.93
  6. Step 6: Final answer
    x = 783.68

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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.