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Finding the Fourth Proportional to 672.06, 926.19 and 524.46

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Solution

The fourth proportional to 672.06, 926.19 and 524.46 is: 722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.06 : 926.19 = 524.46 : x
  2. Step 2: Convert to fraction form
    672.06/926.19 = 524.46/x
  3. Step 3: Cross multiply
    672.06x = 926.19 × 524.46
  4. Step 4: Simplify right side
    672.06x = 485,749.61
  5. Step 5: Solve for x
    x = 485,749.61/672.06
  6. Step 6: Final answer
    x = 722.78

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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.