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Finding the Fourth Proportional to 436.49, 653.20 and 332.95

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Solution

The fourth proportional to 436.49, 653.20 and 332.95 is: 498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.49 : 653.20 = 332.95 : x
  2. Step 2: Convert to fraction form
    436.49/653.20 = 332.95/x
  3. Step 3: Cross multiply
    436.49x = 653.20 × 332.95
  4. Step 4: Simplify right side
    436.49x = 217,480.08
  5. Step 5: Solve for x
    x = 217,480.08/436.49
  6. Step 6: Final answer
    x = 498.25

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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.