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Finding the Fourth Proportional to 1,026.62, 1,540.01 and 296.16

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Solution

The fourth proportional to 1,026.62, 1,540.01 and 296.16 is: 444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.62 : 1,540.01 = 296.16 : x
  2. Step 2: Convert to fraction form
    1,026.62/1,540.01 = 296.16/x
  3. Step 3: Cross multiply
    1,026.62x = 1,540.01 × 296.16
  4. Step 4: Simplify right side
    1,026.62x = 456,084.33
  5. Step 5: Solve for x
    x = 456,084.33/1,026.62
  6. Step 6: Final answer
    x = 444.26

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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.