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Finding the Fourth Proportional to 346.05, 476.52 and 247.64

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Solution

The fourth proportional to 346.05, 476.52 and 247.64 is: 341.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.05 : 476.52 = 247.64 : x
  2. Step 2: Convert to fraction form
    346.05/476.52 = 247.64/x
  3. Step 3: Cross multiply
    346.05x = 476.52 × 247.64
  4. Step 4: Simplify right side
    346.05x = 118,002.10
  5. Step 5: Solve for x
    x = 118,002.10/346.05
  6. Step 6: Final answer
    x = 341.00

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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.