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Finding the Fourth Proportional to 1,031.58, 1,547.07 and 301.14

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Solution

The fourth proportional to 1,031.58, 1,547.07 and 301.14 is: 451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.58 : 1,547.07 = 301.14 : x
  2. Step 2: Convert to fraction form
    1,031.58/1,547.07 = 301.14/x
  3. Step 3: Cross multiply
    1,031.58x = 1,547.07 × 301.14
  4. Step 4: Simplify right side
    1,031.58x = 465,884.66
  5. Step 5: Solve for x
    x = 465,884.66/1,031.58
  6. Step 6: Final answer
    x = 451.62

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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.