Home / 1,032.21-1,548.45-338.69

Finding the Fourth Proportional to 1,032.21, 1,548.45 and 338.69

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Solution

The fourth proportional to 1,032.21, 1,548.45 and 338.69 is: 508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.21 : 1,548.45 = 338.69 : x
  2. Step 2: Convert to fraction form
    1,032.21/1,548.45 = 338.69/x
  3. Step 3: Cross multiply
    1,032.21x = 1,548.45 × 338.69
  4. Step 4: Simplify right side
    1,032.21x = 524,448.40
  5. Step 5: Solve for x
    x = 524,448.40/1,032.21
  6. Step 6: Final answer
    x = 508.08

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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.