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Finding the Fourth Proportional to 372.33, 555.30 and 333.45

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Solution

The fourth proportional to 372.33, 555.30 and 333.45 is: 497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.33 : 555.30 = 333.45 : x
  2. Step 2: Convert to fraction form
    372.33/555.30 = 333.45/x
  3. Step 3: Cross multiply
    372.33x = 555.30 × 333.45
  4. Step 4: Simplify right side
    372.33x = 185,164.79
  5. Step 5: Solve for x
    x = 185,164.79/372.33
  6. Step 6: Final answer
    x = 497.31

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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.