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Finding the Fourth Proportional to 615.11, 917.63 and 598.37

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Solution

The fourth proportional to 615.11, 917.63 and 598.37 is: 892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.11 : 917.63 = 598.37 : x
  2. Step 2: Convert to fraction form
    615.11/917.63 = 598.37/x
  3. Step 3: Cross multiply
    615.11x = 917.63 × 598.37
  4. Step 4: Simplify right side
    615.11x = 549,082.26
  5. Step 5: Solve for x
    x = 549,082.26/615.11
  6. Step 6: Final answer
    x = 892.66

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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.