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Finding the Fourth Proportional to 610.56, 914.28 and 336.35

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Solution

The fourth proportional to 610.56, 914.28 and 336.35 is: 503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.56 : 914.28 = 336.35 : x
  2. Step 2: Convert to fraction form
    610.56/914.28 = 336.35/x
  3. Step 3: Cross multiply
    610.56x = 914.28 × 336.35
  4. Step 4: Simplify right side
    610.56x = 307,520.36
  5. Step 5: Solve for x
    x = 307,520.36/610.56
  6. Step 6: Final answer
    x = 503.67

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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.