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Finding the Fourth Proportional to 565.55, 848.33 and 371.78

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Solution

The fourth proportional to 565.55, 848.33 and 371.78 is: 557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.55 : 848.33 = 371.78 : x
  2. Step 2: Convert to fraction form
    565.55/848.33 = 371.78/x
  3. Step 3: Cross multiply
    565.55x = 848.33 × 371.78
  4. Step 4: Simplify right side
    565.55x = 315,391.20
  5. Step 5: Solve for x
    x = 315,391.20/565.55
  6. Step 6: Final answer
    x = 557.68

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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.