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Finding the Fourth Proportional to 610.85, 914.72 and 335.58

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Solution

The fourth proportional to 610.85, 914.72 and 335.58 is: 502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.85 : 914.72 = 335.58 : x
  2. Step 2: Convert to fraction form
    610.85/914.72 = 335.58/x
  3. Step 3: Cross multiply
    610.85x = 914.72 × 335.58
  4. Step 4: Simplify right side
    610.85x = 306,960.06
  5. Step 5: Solve for x
    x = 306,960.06/610.85
  6. Step 6: Final answer
    x = 502.52

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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.