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Finding the Fourth Proportional to 376.32, 561.48 and 373.44

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Solution

The fourth proportional to 376.32, 561.48 and 373.44 is: 557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.32 : 561.48 = 373.44 : x
  2. Step 2: Convert to fraction form
    376.32/561.48 = 373.44/x
  3. Step 3: Cross multiply
    376.32x = 561.48 × 373.44
  4. Step 4: Simplify right side
    376.32x = 209,679.09
  5. Step 5: Solve for x
    x = 209,679.09/376.32
  6. Step 6: Final answer
    x = 557.18

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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.