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Finding the Fourth Proportional to 565.64, 848.78 and 441.90

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Solution

The fourth proportional to 565.64, 848.78 and 441.90 is: 663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.64 : 848.78 = 441.90 : x
  2. Step 2: Convert to fraction form
    565.64/848.78 = 441.90/x
  3. Step 3: Cross multiply
    565.64x = 848.78 × 441.90
  4. Step 4: Simplify right side
    565.64x = 375,073.85
  5. Step 5: Solve for x
    x = 375,073.85/565.64
  6. Step 6: Final answer
    x = 663.09

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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.