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Finding the Fourth Proportional to 373.89, 561.08 and 168.59

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Solution

The fourth proportional to 373.89, 561.08 and 168.59 is: 253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.89 : 561.08 = 168.59 : x
  2. Step 2: Convert to fraction form
    373.89/561.08 = 168.59/x
  3. Step 3: Cross multiply
    373.89x = 561.08 × 168.59
  4. Step 4: Simplify right side
    373.89x = 94,592.48
  5. Step 5: Solve for x
    x = 94,592.48/373.89
  6. Step 6: Final answer
    x = 253.00

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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.