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Finding the Fourth Proportional to 1,010.01, 1,514.19 and 384.96

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Solution

The fourth proportional to 1,010.01, 1,514.19 and 384.96 is: 577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.01 : 1,514.19 = 384.96 : x
  2. Step 2: Convert to fraction form
    1,010.01/1,514.19 = 384.96/x
  3. Step 3: Cross multiply
    1,010.01x = 1,514.19 × 384.96
  4. Step 4: Simplify right side
    1,010.01x = 582,902.58
  5. Step 5: Solve for x
    x = 582,902.58/1,010.01
  6. Step 6: Final answer
    x = 577.13

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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.