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Finding the Fourth Proportional to 464.05, 696.06 and 117.38

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Solution

The fourth proportional to 464.05, 696.06 and 117.38 is: 176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.05 : 696.06 = 117.38 : x
  2. Step 2: Convert to fraction form
    464.05/696.06 = 117.38/x
  3. Step 3: Cross multiply
    464.05x = 696.06 × 117.38
  4. Step 4: Simplify right side
    464.05x = 81,703.52
  5. Step 5: Solve for x
    x = 81,703.52/464.05
  6. Step 6: Final answer
    x = 176.07

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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.