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Finding the Fourth Proportional to 375.66, 562.68 and 328.68

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Solution

The fourth proportional to 375.66, 562.68 and 328.68 is: 492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.66 : 562.68 = 328.68 : x
  2. Step 2: Convert to fraction form
    375.66/562.68 = 328.68/x
  3. Step 3: Cross multiply
    375.66x = 562.68 × 328.68
  4. Step 4: Simplify right side
    375.66x = 184,941.66
  5. Step 5: Solve for x
    x = 184,941.66/375.66
  6. Step 6: Final answer
    x = 492.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.