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Finding the Fourth Proportional to 713.04, 1,069.59 and 226.14

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Solution

The fourth proportional to 713.04, 1,069.59 and 226.14 is: 339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.04 : 1,069.59 = 226.14 : x
  2. Step 2: Convert to fraction form
    713.04/1,069.59 = 226.14/x
  3. Step 3: Cross multiply
    713.04x = 1,069.59 × 226.14
  4. Step 4: Simplify right side
    713.04x = 241,877.08
  5. Step 5: Solve for x
    x = 241,877.08/713.04
  6. Step 6: Final answer
    x = 339.22

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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.