Home / 1,032.20-1,548.29-348.20

Finding the Fourth Proportional to 1,032.20, 1,548.29 and 348.20

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Solution

The fourth proportional to 1,032.20, 1,548.29 and 348.20 is: 522.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.20 : 1,548.29 = 348.20 : x
  2. Step 2: Convert to fraction form
    1,032.20/1,548.29 = 348.20/x
  3. Step 3: Cross multiply
    1,032.20x = 1,548.29 × 348.20
  4. Step 4: Simplify right side
    1,032.20x = 539,105.10
  5. Step 5: Solve for x
    x = 539,105.10/1,032.20
  6. Step 6: Final answer
    x = 522.29

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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.