Home / 1,154.31-1,731.27-332.39

Finding the Fourth Proportional to 1,154.31, 1,731.27 and 332.39

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Solution

The fourth proportional to 1,154.31, 1,731.27 and 332.39 is: 498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.31 : 1,731.27 = 332.39 : x
  2. Step 2: Convert to fraction form
    1,154.31/1,731.27 = 332.39/x
  3. Step 3: Cross multiply
    1,154.31x = 1,731.27 × 332.39
  4. Step 4: Simplify right side
    1,154.31x = 575,456.84
  5. Step 5: Solve for x
    x = 575,456.84/1,154.31
  6. Step 6: Final answer
    x = 498.53

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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.