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Finding the Fourth Proportional to 684.56, 945.60 and 597.08

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Solution

The fourth proportional to 684.56, 945.60 and 597.08 is: 824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    684.56 : 945.60 = 597.08 : x
  2. Step 2: Convert to fraction form
    684.56/945.60 = 597.08/x
  3. Step 3: Cross multiply
    684.56x = 945.60 × 597.08
  4. Step 4: Simplify right side
    684.56x = 564,598.85
  5. Step 5: Solve for x
    x = 564,598.85/684.56
  6. Step 6: Final answer
    x = 824.76

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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.