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Finding the Fourth Proportional to 590, 888.83 and 561.35

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Solution

The fourth proportional to 590, 888.83 and 561.35 is: 845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    590 : 888.83 = 561.35 : x
  2. Step 2: Convert to fraction form
    590/888.83 = 561.35/x
  3. Step 3: Cross multiply
    590x = 888.83 × 561.35
  4. Step 4: Simplify right side
    590x = 498,944.72
  5. Step 5: Solve for x
    x = 498,944.72/590
  6. Step 6: Final answer
    x = 845.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.