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Finding the Fourth Proportional to 985.05, 1,473.98 and 593.62

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Solution

The fourth proportional to 985.05, 1,473.98 and 593.62 is: 888.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    985.05 : 1,473.98 = 593.62 : x
  2. Step 2: Convert to fraction form
    985.05/1,473.98 = 593.62/x
  3. Step 3: Cross multiply
    985.05x = 1,473.98 × 593.62
  4. Step 4: Simplify right side
    985.05x = 874,984.01
  5. Step 5: Solve for x
    x = 874,984.01/985.05
  6. Step 6: Final answer
    x = 888.26

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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.