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Finding the Fourth Proportional to 372.77, 514.52 and 223.44

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Solution

The fourth proportional to 372.77, 514.52 and 223.44 is: 308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.77 : 514.52 = 223.44 : x
  2. Step 2: Convert to fraction form
    372.77/514.52 = 223.44/x
  3. Step 3: Cross multiply
    372.77x = 514.52 × 223.44
  4. Step 4: Simplify right side
    372.77x = 114,963.23
  5. Step 5: Solve for x
    x = 114,963.23/372.77
  6. Step 6: Final answer
    x = 308.41

Related Problems

Find fourth proportional to 186.38, 257.26 and 111.72
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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.