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Finding the Fourth Proportional to 373.37, 560.07 and 156.96

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Solution

The fourth proportional to 373.37, 560.07 and 156.96 is: 235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.37 : 560.07 = 156.96 : x
  2. Step 2: Convert to fraction form
    373.37/560.07 = 156.96/x
  3. Step 3: Cross multiply
    373.37x = 560.07 × 156.96
  4. Step 4: Simplify right side
    373.37x = 87,908.59
  5. Step 5: Solve for x
    x = 87,908.59/373.37
  6. Step 6: Final answer
    x = 235.45

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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.