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Finding the Fourth Proportional to 564.80, 848.22 and 410.90

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Solution

The fourth proportional to 564.80, 848.22 and 410.90 is: 617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.80 : 848.22 = 410.90 : x
  2. Step 2: Convert to fraction form
    564.80/848.22 = 410.90/x
  3. Step 3: Cross multiply
    564.80x = 848.22 × 410.90
  4. Step 4: Simplify right side
    564.80x = 348,533.60
  5. Step 5: Solve for x
    x = 348,533.60/564.80
  6. Step 6: Final answer
    x = 617.09

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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.