Home / 1,032.20-1,548.35-338.87

Finding the Fourth Proportional to 1,032.20, 1,548.35 and 338.87

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Solution

The fourth proportional to 1,032.20, 1,548.35 and 338.87 is: 508.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.20 : 1,548.35 = 338.87 : x
  2. Step 2: Convert to fraction form
    1,032.20/1,548.35 = 338.87/x
  3. Step 3: Cross multiply
    1,032.20x = 1,548.35 × 338.87
  4. Step 4: Simplify right side
    1,032.20x = 524,679.93
  5. Step 5: Solve for x
    x = 524,679.93/1,032.20
  6. Step 6: Final answer
    x = 508.31

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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.