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Finding the Fourth Proportional to 614.56, 914.60 and 591.52

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Solution

The fourth proportional to 614.56, 914.60 and 591.52 is: 880.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.56 : 914.60 = 591.52 : x
  2. Step 2: Convert to fraction form
    614.56/914.60 = 591.52/x
  3. Step 3: Cross multiply
    614.56x = 914.60 × 591.52
  4. Step 4: Simplify right side
    614.56x = 541,004.19
  5. Step 5: Solve for x
    x = 541,004.19/614.56
  6. Step 6: Final answer
    x = 880.31

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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.