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Finding the Fourth Proportional to 528.88, 793.62 and 240.31

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Solution

The fourth proportional to 528.88, 793.62 and 240.31 is: 360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.88 : 793.62 = 240.31 : x
  2. Step 2: Convert to fraction form
    528.88/793.62 = 240.31/x
  3. Step 3: Cross multiply
    528.88x = 793.62 × 240.31
  4. Step 4: Simplify right side
    528.88x = 190,714.82
  5. Step 5: Solve for x
    x = 190,714.82/528.88
  6. Step 6: Final answer
    x = 360.60

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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.