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Finding the Fourth Proportional to 901.59, 1,351.29 and 718.26

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Solution

The fourth proportional to 901.59, 1,351.29 and 718.26 is: 1,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    901.59 : 1,351.29 = 718.26 : x
  2. Step 2: Convert to fraction form
    901.59/1,351.29 = 718.26/x
  3. Step 3: Cross multiply
    901.59x = 1,351.29 × 718.26
  4. Step 4: Simplify right side
    901.59x = 970,577.56
  5. Step 5: Solve for x
    x = 970,577.56/901.59
  6. Step 6: Final answer
    x = 1,076.52

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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.