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Finding the Fourth Proportional to 632.66, 949.08 and 359.08

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Solution

The fourth proportional to 632.66, 949.08 and 359.08 is: 538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.66 : 949.08 = 359.08 : x
  2. Step 2: Convert to fraction form
    632.66/949.08 = 359.08/x
  3. Step 3: Cross multiply
    632.66x = 949.08 × 359.08
  4. Step 4: Simplify right side
    632.66x = 340,795.65
  5. Step 5: Solve for x
    x = 340,795.65/632.66
  6. Step 6: Final answer
    x = 538.67

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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.