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Finding the Fourth Proportional to 614.54, 920.45 and 566.52

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Solution

The fourth proportional to 614.54, 920.45 and 566.52 is: 848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.54 : 920.45 = 566.52 : x
  2. Step 2: Convert to fraction form
    614.54/920.45 = 566.52/x
  3. Step 3: Cross multiply
    614.54x = 920.45 × 566.52
  4. Step 4: Simplify right side
    614.54x = 521,453.33
  5. Step 5: Solve for x
    x = 521,453.33/614.54
  6. Step 6: Final answer
    x = 848.53

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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.