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Finding the Fourth Proportional to 373.56, 557.13 and 336.84

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Solution

The fourth proportional to 373.56, 557.13 and 336.84 is: 502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.56 : 557.13 = 336.84 : x
  2. Step 2: Convert to fraction form
    373.56/557.13 = 336.84/x
  3. Step 3: Cross multiply
    373.56x = 557.13 × 336.84
  4. Step 4: Simplify right side
    373.56x = 187,663.67
  5. Step 5: Solve for x
    x = 187,663.67/373.56
  6. Step 6: Final answer
    x = 502.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.