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Finding the Fourth Proportional to 370.92, 510.72 and 362.82

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Solution

The fourth proportional to 370.92, 510.72 and 362.82 is: 499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.92 : 510.72 = 362.82 : x
  2. Step 2: Convert to fraction form
    370.92/510.72 = 362.82/x
  3. Step 3: Cross multiply
    370.92x = 510.72 × 362.82
  4. Step 4: Simplify right side
    370.92x = 185,299.43
  5. Step 5: Solve for x
    x = 185,299.43/370.92
  6. Step 6: Final answer
    x = 499.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.