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Finding the Fourth Proportional to 541.28, 745.14 and 467.18

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Solution

The fourth proportional to 541.28, 745.14 and 467.18 is: 643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.28 : 745.14 = 467.18 : x
  2. Step 2: Convert to fraction form
    541.28/745.14 = 467.18/x
  3. Step 3: Cross multiply
    541.28x = 745.14 × 467.18
  4. Step 4: Simplify right side
    541.28x = 348,114.51
  5. Step 5: Solve for x
    x = 348,114.51/541.28
  6. Step 6: Final answer
    x = 643.13

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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.