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Finding the Fourth Proportional to 1,650.29, 2,475.97 and 554.63

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Solution

The fourth proportional to 1,650.29, 2,475.97 and 554.63 is: 832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.29 : 2,475.97 = 554.63 : x
  2. Step 2: Convert to fraction form
    1,650.29/2,475.97 = 554.63/x
  3. Step 3: Cross multiply
    1,650.29x = 2,475.97 × 554.63
  4. Step 4: Simplify right side
    1,650.29x = 1,373,233.47
  5. Step 5: Solve for x
    x = 1,373,233.47/1,650.29
  6. Step 6: Final answer
    x = 832.12

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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.