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Finding the Fourth Proportional to 756.03, 1,134.14 and 236.06

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Solution

The fourth proportional to 756.03, 1,134.14 and 236.06 is: 354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.03 : 1,134.14 = 236.06 : x
  2. Step 2: Convert to fraction form
    756.03/1,134.14 = 236.06/x
  3. Step 3: Cross multiply
    756.03x = 1,134.14 × 236.06
  4. Step 4: Simplify right side
    756.03x = 267,727.92
  5. Step 5: Solve for x
    x = 267,727.92/756.03
  6. Step 6: Final answer
    x = 354.13

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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.