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Finding the Fourth Proportional to 531.32, 796.48 and 368.80

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Solution

The fourth proportional to 531.32, 796.48 and 368.80 is: 552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.32 : 796.48 = 368.80 : x
  2. Step 2: Convert to fraction form
    531.32/796.48 = 368.80/x
  3. Step 3: Cross multiply
    531.32x = 796.48 × 368.80
  4. Step 4: Simplify right side
    531.32x = 293,741.82
  5. Step 5: Solve for x
    x = 293,741.82/531.32
  6. Step 6: Final answer
    x = 552.85

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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.