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Finding the Fourth Proportional to 497.07, 745.34 and 240.57

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Solution

The fourth proportional to 497.07, 745.34 and 240.57 is: 360.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.07 : 745.34 = 240.57 : x
  2. Step 2: Convert to fraction form
    497.07/745.34 = 240.57/x
  3. Step 3: Cross multiply
    497.07x = 745.34 × 240.57
  4. Step 4: Simplify right side
    497.07x = 179,305.24
  5. Step 5: Solve for x
    x = 179,305.24/497.07
  6. Step 6: Final answer
    x = 360.72

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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.