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Finding the Fourth Proportional to 614.50, 922.17 and 533.26

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Solution

The fourth proportional to 614.50, 922.17 and 533.26 is: 800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.50 : 922.17 = 533.26 : x
  2. Step 2: Convert to fraction form
    614.50/922.17 = 533.26/x
  3. Step 3: Cross multiply
    614.50x = 922.17 × 533.26
  4. Step 4: Simplify right side
    614.50x = 491,756.37
  5. Step 5: Solve for x
    x = 491,756.37/614.50
  6. Step 6: Final answer
    x = 800.25

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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.