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Finding the Fourth Proportional to 591.76, 887.60 and 245.00

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Solution

The fourth proportional to 591.76, 887.60 and 245.00 is: 367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.76 : 887.60 = 245.00 : x
  2. Step 2: Convert to fraction form
    591.76/887.60 = 245.00/x
  3. Step 3: Cross multiply
    591.76x = 887.60 × 245.00
  4. Step 4: Simplify right side
    591.76x = 217,463.61
  5. Step 5: Solve for x
    x = 217,463.61/591.76
  6. Step 6: Final answer
    x = 367.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.