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Finding the Fourth Proportional to 373.63, 556.82 and 354.19

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Solution

The fourth proportional to 373.63, 556.82 and 354.19 is: 527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.63 : 556.82 = 354.19 : x
  2. Step 2: Convert to fraction form
    373.63/556.82 = 354.19/x
  3. Step 3: Cross multiply
    373.63x = 556.82 × 354.19
  4. Step 4: Simplify right side
    373.63x = 197,217.29
  5. Step 5: Solve for x
    x = 197,217.29/373.63
  6. Step 6: Final answer
    x = 527.85

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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.