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Finding the Fourth Proportional to 617.94, 852.05 and 562.01

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Solution

The fourth proportional to 617.94, 852.05 and 562.01 is: 774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.94 : 852.05 = 562.01 : x
  2. Step 2: Convert to fraction form
    617.94/852.05 = 562.01/x
  3. Step 3: Cross multiply
    617.94x = 852.05 × 562.01
  4. Step 4: Simplify right side
    617.94x = 478,853.55
  5. Step 5: Solve for x
    x = 478,853.55/617.94
  6. Step 6: Final answer
    x = 774.92

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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.