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Finding the Fourth Proportional to 1,001.13, 1,502.55 and 514.44

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Solution

The fourth proportional to 1,001.13, 1,502.55 and 514.44 is: 772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001.13 : 1,502.55 = 514.44 : x
  2. Step 2: Convert to fraction form
    1,001.13/1,502.55 = 514.44/x
  3. Step 3: Cross multiply
    1,001.13x = 1,502.55 × 514.44
  4. Step 4: Simplify right side
    1,001.13x = 772,971.82
  5. Step 5: Solve for x
    x = 772,971.82/1,001.13
  6. Step 6: Final answer
    x = 772.10

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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.