Home / 658.23-986.67-247.08

Finding the Fourth Proportional to 658.23, 986.67 and 247.08

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Solution

The fourth proportional to 658.23, 986.67 and 247.08 is: 370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    658.23 : 986.67 = 247.08 : x
  2. Step 2: Convert to fraction form
    658.23/986.67 = 247.08/x
  3. Step 3: Cross multiply
    658.23x = 986.67 × 247.08
  4. Step 4: Simplify right side
    658.23x = 243,786.42
  5. Step 5: Solve for x
    x = 243,786.42/658.23
  6. Step 6: Final answer
    x = 370.37

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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.