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Finding the Fourth Proportional to 373.44, 560.64 and 236.76

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Solution

The fourth proportional to 373.44, 560.64 and 236.76 is: 355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.44 : 560.64 = 236.76 : x
  2. Step 2: Convert to fraction form
    373.44/560.64 = 236.76/x
  3. Step 3: Cross multiply
    373.44x = 560.64 × 236.76
  4. Step 4: Simplify right side
    373.44x = 132,737.13
  5. Step 5: Solve for x
    x = 132,737.13/373.44
  6. Step 6: Final answer
    x = 355.44

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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.