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Finding the Fourth Proportional to 614.98, 924.09 and 579.34

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Solution

The fourth proportional to 614.98, 924.09 and 579.34 is: 870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.98 : 924.09 = 579.34 : x
  2. Step 2: Convert to fraction form
    614.98/924.09 = 579.34/x
  3. Step 3: Cross multiply
    614.98x = 924.09 × 579.34
  4. Step 4: Simplify right side
    614.98x = 535,362.30
  5. Step 5: Solve for x
    x = 535,362.30/614.98
  6. Step 6: Final answer
    x = 870.54

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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.