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Finding the Fourth Proportional to 376.68, 562.29 and 325.65

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Solution

The fourth proportional to 376.68, 562.29 and 325.65 is: 486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.68 : 562.29 = 325.65 : x
  2. Step 2: Convert to fraction form
    376.68/562.29 = 325.65/x
  3. Step 3: Cross multiply
    376.68x = 562.29 × 325.65
  4. Step 4: Simplify right side
    376.68x = 183,109.74
  5. Step 5: Solve for x
    x = 183,109.74/376.68
  6. Step 6: Final answer
    x = 486.11

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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.