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Finding the Fourth Proportional to 601.32, 902.72 and 573.61

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Solution

The fourth proportional to 601.32, 902.72 and 573.61 is: 861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.32 : 902.72 = 573.61 : x
  2. Step 2: Convert to fraction form
    601.32/902.72 = 573.61/x
  3. Step 3: Cross multiply
    601.32x = 902.72 × 573.61
  4. Step 4: Simplify right side
    601.32x = 517,809.22
  5. Step 5: Solve for x
    x = 517,809.22/601.32
  6. Step 6: Final answer
    x = 861.12

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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.