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Finding the Fourth Proportional to 601.34, 902.69 and 561.70

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Solution

The fourth proportional to 601.34, 902.69 and 561.70 is: 843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.34 : 902.69 = 561.70 : x
  2. Step 2: Convert to fraction form
    601.34/902.69 = 561.70/x
  3. Step 3: Cross multiply
    601.34x = 902.69 × 561.70
  4. Step 4: Simplify right side
    601.34x = 507,040.97
  5. Step 5: Solve for x
    x = 507,040.97/601.34
  6. Step 6: Final answer
    x = 843.19

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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.