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Finding the Fourth Proportional to 622.37, 934.22 and 561.08

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Solution

The fourth proportional to 622.37, 934.22 and 561.08 is: 842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.37 : 934.22 = 561.08 : x
  2. Step 2: Convert to fraction form
    622.37/934.22 = 561.08/x
  3. Step 3: Cross multiply
    622.37x = 934.22 × 561.08
  4. Step 4: Simplify right side
    622.37x = 524,168.89
  5. Step 5: Solve for x
    x = 524,168.89/622.37
  6. Step 6: Final answer
    x = 842.22

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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.