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Finding the Fourth Proportional to 346.06, 477.87 and 235.81

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Solution

The fourth proportional to 346.06, 477.87 and 235.81 is: 325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.06 : 477.87 = 235.81 : x
  2. Step 2: Convert to fraction form
    346.06/477.87 = 235.81/x
  3. Step 3: Cross multiply
    346.06x = 477.87 × 235.81
  4. Step 4: Simplify right side
    346.06x = 112,686.52
  5. Step 5: Solve for x
    x = 112,686.52/346.06
  6. Step 6: Final answer
    x = 325.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.