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Finding the Fourth Proportional to 540.08, 740.50 and 512.24

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Solution

The fourth proportional to 540.08, 740.50 and 512.24 is: 702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.08 : 740.50 = 512.24 : x
  2. Step 2: Convert to fraction form
    540.08/740.50 = 512.24/x
  3. Step 3: Cross multiply
    540.08x = 740.50 × 512.24
  4. Step 4: Simplify right side
    540.08x = 379,313.72
  5. Step 5: Solve for x
    x = 379,313.72/540.08
  6. Step 6: Final answer
    x = 702.33

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.