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Finding the Fourth Proportional to 615.69, 848.19 and 504.51

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Solution

The fourth proportional to 615.69, 848.19 and 504.51 is: 695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.69 : 848.19 = 504.51 : x
  2. Step 2: Convert to fraction form
    615.69/848.19 = 504.51/x
  3. Step 3: Cross multiply
    615.69x = 848.19 × 504.51
  4. Step 4: Simplify right side
    615.69x = 427,920.34
  5. Step 5: Solve for x
    x = 427,920.34/615.69
  6. Step 6: Final answer
    x = 695.03

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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.