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Finding the Fourth Proportional to 561.20, 837 and 532.04

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Solution

The fourth proportional to 561.20, 837 and 532.04 is: 793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    561.20 : 837 = 532.04 : x
  2. Step 2: Convert to fraction form
    561.20/837 = 532.04/x
  3. Step 3: Cross multiply
    561.20x = 837 × 532.04
  4. Step 4: Simplify right side
    561.20x = 445,313.30
  5. Step 5: Solve for x
    x = 445,313.30/561.20
  6. Step 6: Final answer
    x = 793.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.