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Finding the Fourth Proportional to 377.78, 565.83 and 240.48

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Solution

The fourth proportional to 377.78, 565.83 and 240.48 is: 360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.78 : 565.83 = 240.48 : x
  2. Step 2: Convert to fraction form
    377.78/565.83 = 240.48/x
  3. Step 3: Cross multiply
    377.78x = 565.83 × 240.48
  4. Step 4: Simplify right side
    377.78x = 136,070.80
  5. Step 5: Solve for x
    x = 136,070.80/377.78
  6. Step 6: Final answer
    x = 360.19

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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.