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Finding the Fourth Proportional to 373.50, 560.43 and 211.14

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Solution

The fourth proportional to 373.50, 560.43 and 211.14 is: 316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.50 : 560.43 = 211.14 : x
  2. Step 2: Convert to fraction form
    373.50/560.43 = 211.14/x
  3. Step 3: Cross multiply
    373.50x = 560.43 × 211.14
  4. Step 4: Simplify right side
    373.50x = 118,329.19
  5. Step 5: Solve for x
    x = 118,329.19/373.50
  6. Step 6: Final answer
    x = 316.81

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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.