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Finding the Fourth Proportional to 450.39, 672.95 and 332.76

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Solution

The fourth proportional to 450.39, 672.95 and 332.76 is: 497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.39 : 672.95 = 332.76 : x
  2. Step 2: Convert to fraction form
    450.39/672.95 = 332.76/x
  3. Step 3: Cross multiply
    450.39x = 672.95 × 332.76
  4. Step 4: Simplify right side
    450.39x = 223,931.67
  5. Step 5: Solve for x
    x = 223,931.67/450.39
  6. Step 6: Final answer
    x = 497.20

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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.