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Finding the Fourth Proportional to 529.41, 793.31 and 240.51

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Solution

The fourth proportional to 529.41, 793.31 and 240.51 is: 360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.41 : 793.31 = 240.51 : x
  2. Step 2: Convert to fraction form
    529.41/793.31 = 240.51/x
  3. Step 3: Cross multiply
    529.41x = 793.31 × 240.51
  4. Step 4: Simplify right side
    529.41x = 190,797.79
  5. Step 5: Solve for x
    x = 190,797.79/529.41
  6. Step 6: Final answer
    x = 360.40

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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.