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Finding the Fourth Proportional to 1,661.90, 2,492.77 and 566.27

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Solution

The fourth proportional to 1,661.90, 2,492.77 and 566.27 is: 849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.90 : 2,492.77 = 566.27 : x
  2. Step 2: Convert to fraction form
    1,661.90/2,492.77 = 566.27/x
  3. Step 3: Cross multiply
    1,661.90x = 2,492.77 × 566.27
  4. Step 4: Simplify right side
    1,661.90x = 1,411,580.87
  5. Step 5: Solve for x
    x = 1,411,580.87/1,661.90
  6. Step 6: Final answer
    x = 849.38

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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.