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Finding the Fourth Proportional to 615.25, 848.10 and 541.14

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Solution

The fourth proportional to 615.25, 848.10 and 541.14 is: 745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.25 : 848.10 = 541.14 : x
  2. Step 2: Convert to fraction form
    615.25/848.10 = 541.14/x
  3. Step 3: Cross multiply
    615.25x = 848.10 × 541.14
  4. Step 4: Simplify right side
    615.25x = 458,940.83
  5. Step 5: Solve for x
    x = 458,940.83/615.25
  6. Step 6: Final answer
    x = 745.94

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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.