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Finding the Fourth Proportional to 615.37, 849.53 and 475.19

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Solution

The fourth proportional to 615.37, 849.53 and 475.19 is: 656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.37 : 849.53 = 475.19 : x
  2. Step 2: Convert to fraction form
    615.37/849.53 = 475.19/x
  3. Step 3: Cross multiply
    615.37x = 849.53 × 475.19
  4. Step 4: Simplify right side
    615.37x = 403,681.54
  5. Step 5: Solve for x
    x = 403,681.54/615.37
  6. Step 6: Final answer
    x = 656.00

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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.