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Finding the Fourth Proportional to 722.07, 996.54 and 473.59

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Solution

The fourth proportional to 722.07, 996.54 and 473.59 is: 653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.07 : 996.54 = 473.59 : x
  2. Step 2: Convert to fraction form
    722.07/996.54 = 473.59/x
  3. Step 3: Cross multiply
    722.07x = 996.54 × 473.59
  4. Step 4: Simplify right side
    722.07x = 471,951.38
  5. Step 5: Solve for x
    x = 471,951.38/722.07
  6. Step 6: Final answer
    x = 653.61

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1.5x scale

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.