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Finding the Fourth Proportional to 1,044.60, 1,566.90 and 633.86

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Solution

The fourth proportional to 1,044.60, 1,566.90 and 633.86 is: 950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.60 : 1,566.90 = 633.86 : x
  2. Step 2: Convert to fraction form
    1,044.60/1,566.90 = 633.86/x
  3. Step 3: Cross multiply
    1,044.60x = 1,566.90 × 633.86
  4. Step 4: Simplify right side
    1,044.60x = 993,187.40
  5. Step 5: Solve for x
    x = 993,187.40/1,044.60
  6. Step 6: Final answer
    x = 950.78

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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.