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Finding the Fourth Proportional to 377.40, 562.20 and 360.92

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Solution

The fourth proportional to 377.40, 562.20 and 360.92 is: 537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.40 : 562.20 = 360.92 : x
  2. Step 2: Convert to fraction form
    377.40/562.20 = 360.92/x
  3. Step 3: Cross multiply
    377.40x = 562.20 × 360.92
  4. Step 4: Simplify right side
    377.40x = 202,909.22
  5. Step 5: Solve for x
    x = 202,909.22/377.40
  6. Step 6: Final answer
    x = 537.65

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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.