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Finding the Fourth Proportional to 332.48, 495.36 and 316.16

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Solution

The fourth proportional to 332.48, 495.36 and 316.16 is: 471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.48 : 495.36 = 316.16 : x
  2. Step 2: Convert to fraction form
    332.48/495.36 = 316.16/x
  3. Step 3: Cross multiply
    332.48x = 495.36 × 316.16
  4. Step 4: Simplify right side
    332.48x = 156,613.02
  5. Step 5: Solve for x
    x = 156,613.02/332.48
  6. Step 6: Final answer
    x = 471.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.