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Finding the Fourth Proportional to 706.56, 1,060.46 and 377.76

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Solution

The fourth proportional to 706.56, 1,060.46 and 377.76 is: 566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.56 : 1,060.46 = 377.76 : x
  2. Step 2: Convert to fraction form
    706.56/1,060.46 = 377.76/x
  3. Step 3: Cross multiply
    706.56x = 1,060.46 × 377.76
  4. Step 4: Simplify right side
    706.56x = 400,597.48
  5. Step 5: Solve for x
    x = 400,597.48/706.56
  6. Step 6: Final answer
    x = 566.97

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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.