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Finding the Fourth Proportional to 358.08, 495.05 and 264.67

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Solution

The fourth proportional to 358.08, 495.05 and 264.67 is: 365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.08 : 495.05 = 264.67 : x
  2. Step 2: Convert to fraction form
    358.08/495.05 = 264.67/x
  3. Step 3: Cross multiply
    358.08x = 495.05 × 264.67
  4. Step 4: Simplify right side
    358.08x = 131,025.13
  5. Step 5: Solve for x
    x = 131,025.13/358.08
  6. Step 6: Final answer
    x = 365.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.