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Finding the Fourth Proportional to 540.84, 745.86 and 467.24

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Solution

The fourth proportional to 540.84, 745.86 and 467.24 is: 644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.84 : 745.86 = 467.24 : x
  2. Step 2: Convert to fraction form
    540.84/745.86 = 467.24/x
  3. Step 3: Cross multiply
    540.84x = 745.86 × 467.24
  4. Step 4: Simplify right side
    540.84x = 348,495.63
  5. Step 5: Solve for x
    x = 348,495.63/540.84
  6. Step 6: Final answer
    x = 644.36

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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.