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Finding the Fourth Proportional to 373.61, 560.19 and 168.47

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Solution

The fourth proportional to 373.61, 560.19 and 168.47 is: 252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.61 : 560.19 = 168.47 : x
  2. Step 2: Convert to fraction form
    373.61/560.19 = 168.47/x
  3. Step 3: Cross multiply
    373.61x = 560.19 × 168.47
  4. Step 4: Simplify right side
    373.61x = 94,373.88
  5. Step 5: Solve for x
    x = 94,373.88/373.61
  6. Step 6: Final answer
    x = 252.60

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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.