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Finding the Fourth Proportional to 488.82, 734.50 and 368.22

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Solution

The fourth proportional to 488.82, 734.50 and 368.22 is: 553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.82 : 734.50 = 368.22 : x
  2. Step 2: Convert to fraction form
    488.82/734.50 = 368.22/x
  3. Step 3: Cross multiply
    488.82x = 734.50 × 368.22
  4. Step 4: Simplify right side
    488.82x = 270,457.59
  5. Step 5: Solve for x
    x = 270,457.59/488.82
  6. Step 6: Final answer
    x = 553.29

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Why These Related Problems?

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