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Finding the Fourth Proportional to 1,032.68, 1,549.29 and 484.76

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Solution

The fourth proportional to 1,032.68, 1,549.29 and 484.76 is: 727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.68 : 1,549.29 = 484.76 : x
  2. Step 2: Convert to fraction form
    1,032.68/1,549.29 = 484.76/x
  3. Step 3: Cross multiply
    1,032.68x = 1,549.29 × 484.76
  4. Step 4: Simplify right side
    1,032.68x = 751,033.82
  5. Step 5: Solve for x
    x = 751,033.82/1,032.68
  6. Step 6: Final answer
    x = 727.27

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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.