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Finding the Fourth Proportional to 1,471.77, 2,207.76 and 497.54

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Solution

The fourth proportional to 1,471.77, 2,207.76 and 497.54 is: 746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.77 : 2,207.76 = 497.54 : x
  2. Step 2: Convert to fraction form
    1,471.77/2,207.76 = 497.54/x
  3. Step 3: Cross multiply
    1,471.77x = 2,207.76 × 497.54
  4. Step 4: Simplify right side
    1,471.77x = 1,098,452.56
  5. Step 5: Solve for x
    x = 1,098,452.56/1,471.77
  6. Step 6: Final answer
    x = 746.35

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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.