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Finding the Fourth Proportional to 467.47, 696.59 and 436.72

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Solution

The fourth proportional to 467.47, 696.59 and 436.72 is: 650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.47 : 696.59 = 436.72 : x
  2. Step 2: Convert to fraction form
    467.47/696.59 = 436.72/x
  3. Step 3: Cross multiply
    467.47x = 696.59 × 436.72
  4. Step 4: Simplify right side
    467.47x = 304,213.99
  5. Step 5: Solve for x
    x = 304,213.99/467.47
  6. Step 6: Final answer
    x = 650.77

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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.