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Finding the Fourth Proportional to 386.10, 576.59 and 337.50

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Solution

The fourth proportional to 386.10, 576.59 and 337.50 is: 504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    386.10 : 576.59 = 337.50 : x
  2. Step 2: Convert to fraction form
    386.10/576.59 = 337.50/x
  3. Step 3: Cross multiply
    386.10x = 576.59 × 337.50
  4. Step 4: Simplify right side
    386.10x = 194,597.44
  5. Step 5: Solve for x
    x = 194,597.44/386.10
  6. Step 6: Final answer
    x = 504.01

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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.