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Finding the Fourth Proportional to 348.24, 479.48 and 265.08

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Solution

The fourth proportional to 348.24, 479.48 and 265.08 is: 364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.24 : 479.48 = 265.08 : x
  2. Step 2: Convert to fraction form
    348.24/479.48 = 265.08/x
  3. Step 3: Cross multiply
    348.24x = 479.48 × 265.08
  4. Step 4: Simplify right side
    348.24x = 127,099.23
  5. Step 5: Solve for x
    x = 127,099.23/348.24
  6. Step 6: Final answer
    x = 364.98

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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.