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Finding the Fourth Proportional to 373.55, 560.36 and 126.93

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Solution

The fourth proportional to 373.55, 560.36 and 126.93 is: 190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.55 : 560.36 = 126.93 : x
  2. Step 2: Convert to fraction form
    373.55/560.36 = 126.93/x
  3. Step 3: Cross multiply
    373.55x = 560.36 × 126.93
  4. Step 4: Simplify right side
    373.55x = 71,126.81
  5. Step 5: Solve for x
    x = 71,126.81/373.55
  6. Step 6: Final answer
    x = 190.41

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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.