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Finding the Fourth Proportional to 376.35, 560.66 and 359.49

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Solution

The fourth proportional to 376.35, 560.66 and 359.49 is: 535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.35 : 560.66 = 359.49 : x
  2. Step 2: Convert to fraction form
    376.35/560.66 = 359.49/x
  3. Step 3: Cross multiply
    376.35x = 560.66 × 359.49
  4. Step 4: Simplify right side
    376.35x = 201,550.46
  5. Step 5: Solve for x
    x = 201,550.46/376.35
  6. Step 6: Final answer
    x = 535.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.