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Finding the Fourth Proportional to 376.13, 560.98 and 356.69

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Solution

The fourth proportional to 376.13, 560.98 and 356.69 is: 531.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.13 : 560.98 = 356.69 : x
  2. Step 2: Convert to fraction form
    376.13/560.98 = 356.69/x
  3. Step 3: Cross multiply
    376.13x = 560.98 × 356.69
  4. Step 4: Simplify right side
    376.13x = 200,095.96
  5. Step 5: Solve for x
    x = 200,095.96/376.13
  6. Step 6: Final answer
    x = 531.99

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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.