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Finding the Fourth Proportional to 376.17, 562.85 and 243.93

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Solution

The fourth proportional to 376.17, 562.85 and 243.93 is: 364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.17 : 562.85 = 243.93 : x
  2. Step 2: Convert to fraction form
    376.17/562.85 = 243.93/x
  3. Step 3: Cross multiply
    376.17x = 562.85 × 243.93
  4. Step 4: Simplify right side
    376.17x = 137,296.00
  5. Step 5: Solve for x
    x = 137,296.00/376.17
  6. Step 6: Final answer
    x = 364.98

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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.