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Finding the Fourth Proportional to 605.78, 901.92 and 597.15

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Solution

The fourth proportional to 605.78, 901.92 and 597.15 is: 889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.78 : 901.92 = 597.15 : x
  2. Step 2: Convert to fraction form
    605.78/901.92 = 597.15/x
  3. Step 3: Cross multiply
    605.78x = 901.92 × 597.15
  4. Step 4: Simplify right side
    605.78x = 538,587.04
  5. Step 5: Solve for x
    x = 538,587.04/605.78
  6. Step 6: Final answer
    x = 889.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.