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Finding the Fourth Proportional to 483.58, 724.65 and 240.27

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Solution

The fourth proportional to 483.58, 724.65 and 240.27 is: 360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.58 : 724.65 = 240.27 : x
  2. Step 2: Convert to fraction form
    483.58/724.65 = 240.27/x
  3. Step 3: Cross multiply
    483.58x = 724.65 × 240.27
  4. Step 4: Simplify right side
    483.58x = 174,111.66
  5. Step 5: Solve for x
    x = 174,111.66/483.58
  6. Step 6: Final answer
    x = 360.05

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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.