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Finding the Fourth Proportional to 614.99, 848.68 and 335.23

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Solution

The fourth proportional to 614.99, 848.68 and 335.23 is: 462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.99 : 848.68 = 335.23 : x
  2. Step 2: Convert to fraction form
    614.99/848.68 = 335.23/x
  3. Step 3: Cross multiply
    614.99x = 848.68 × 335.23
  4. Step 4: Simplify right side
    614.99x = 284,500.96
  5. Step 5: Solve for x
    x = 284,500.96/614.99
  6. Step 6: Final answer
    x = 462.61

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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.