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Finding the Fourth Proportional to 527.44, 795.18 and 490.32

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Solution

The fourth proportional to 527.44, 795.18 and 490.32 is: 739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.44 : 795.18 = 490.32 : x
  2. Step 2: Convert to fraction form
    527.44/795.18 = 490.32/x
  3. Step 3: Cross multiply
    527.44x = 795.18 × 490.32
  4. Step 4: Simplify right side
    527.44x = 389,892.66
  5. Step 5: Solve for x
    x = 389,892.66/527.44
  6. Step 6: Final answer
    x = 739.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.