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Finding the Fourth Proportional to 513.16, 770.10 and 296.44

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Solution

The fourth proportional to 513.16, 770.10 and 296.44 is: 444.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    513.16 : 770.10 = 296.44 : x
  2. Step 2: Convert to fraction form
    513.16/770.10 = 296.44/x
  3. Step 3: Cross multiply
    513.16x = 770.10 × 296.44
  4. Step 4: Simplify right side
    513.16x = 228,288.44
  5. Step 5: Solve for x
    x = 228,288.44/513.16
  6. Step 6: Final answer
    x = 444.87

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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.