Home / 1,025.67-1,538.45-332.31

Finding the Fourth Proportional to 1,025.67, 1,538.45 and 332.31

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Solution

The fourth proportional to 1,025.67, 1,538.45 and 332.31 is: 498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.67 : 1,538.45 = 332.31 : x
  2. Step 2: Convert to fraction form
    1,025.67/1,538.45 = 332.31/x
  3. Step 3: Cross multiply
    1,025.67x = 1,538.45 × 332.31
  4. Step 4: Simplify right side
    1,025.67x = 511,242.32
  5. Step 5: Solve for x
    x = 511,242.32/1,025.67
  6. Step 6: Final answer
    x = 498.45

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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.