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Finding the Fourth Proportional to 614.52, 847.39 and 526.29

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Solution

The fourth proportional to 614.52, 847.39 and 526.29 is: 725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.52 : 847.39 = 526.29 : x
  2. Step 2: Convert to fraction form
    614.52/847.39 = 526.29/x
  3. Step 3: Cross multiply
    614.52x = 847.39 × 526.29
  4. Step 4: Simplify right side
    614.52x = 445,971.35
  5. Step 5: Solve for x
    x = 445,971.35/614.52
  6. Step 6: Final answer
    x = 725.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.