Home / 1,031.41-1,547.25-300.97

Finding the Fourth Proportional to 1,031.41, 1,547.25 and 300.97

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Solution

The fourth proportional to 1,031.41, 1,547.25 and 300.97 is: 451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.41 : 1,547.25 = 300.97 : x
  2. Step 2: Convert to fraction form
    1,031.41/1,547.25 = 300.97/x
  3. Step 3: Cross multiply
    1,031.41x = 1,547.25 × 300.97
  4. Step 4: Simplify right side
    1,031.41x = 465,676.64
  5. Step 5: Solve for x
    x = 465,676.64/1,031.41
  6. Step 6: Final answer
    x = 451.50

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1.5x scale

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.